Beitzah 32b ~ Lice

In this page of Talmud there is a pithy comment about three kinds of lives '“that are less than living.”

ביצה לב, ב

תָּנוּ רַבָּנַן: שְׁלֹשָׁה חַיֵּיהֶן אֵינָם חַיִּים, וְאֵלּוּ הֵן: הַמְצַפֶּה לְשֻׁלְחַן חֲבֵירוֹ, וּמִי שֶׁאִשְׁתּוֹ מוֹשֶׁלֶת עָלָיו, וּמִי שֶׁיִּסּוּרִין מוֹשְׁלִין בְּגוּפוֹ

The Sages taught: There are three whose lives are not lives, and they are as follows: One who looks to the table of others for his sustenance; and one whose wife rules over him; and one whose body is ruled by suffering.

Then the Talmud adds a fourth category. Lice.

וְיֵשׁ אוֹמְרִים: אַף מִי שֶׁאֵין לוֹ אֶלָּא חָלוּק אֶחָד. וְתַנָּא קַמָּא: אֶפְשָׁר דִּמְעַיֵּין בְּמָנֵיהּ

And some say: Even one who has only one robe [since he cannot wash it properly, he suffers from lice and dirt]. And why was this last category not included in the original list? Because it is possible for him to examine his clothes and remove the lice, which would alleviate his suffering.

Today on Talmudology we will focus on the last category: lice

Head lice, Body Lice and pubIC LICE

There are three kinds of lice which infect humans: the tiny head louse Pediculosis humanus capitas, the larger body louse Pediculus humanus humanus, and the crab or pubic louse, Pthirus pubis. There is a discussion of lice in the tractate Nazir, as an aside to a question about how our hair grows:

נזיר לט, א

איבעיא להו האי מזיא מלתחת רבי או מלעיל למאי?... ת"ש מהא אינבא חיה דקאים בעיקבא דבינתא ואי סלקא דעתך מלתחת רבי ברישא דבינתא בעי למיקם. לעולם מלתחת רבי ואגב חיותא נחית ואזיל אינבא

ת"ש אינבא מתה ברישא דבינתא ואי סלקא דעתך מלעיל רבי בעיקבא דבינתא בעי למיקם התם נמי משום דלית בה חילא שרוגי שריגא ואזיל...

A question was asked: Does hair grow from the roots or the tips?...Let us suggest an answer from the live nit [or louse - meaning is not certain] which is found at the root of a strand [of hair]. Now if the hair grew from the root, shouldn't the nit be found at the tip? [The Talmud rejects this suggestion:] The growth may well be from the tip, but the nit, being alive, continually moves down [towards the root].

Let us suggest an answer from the case of a dead nit [or louse, that is found] at the end of a strand [of hair].  If the hair grows from the end, shouldn't the dead nit be found near the root? [The Talmud rejects this suggestion too:]  Perhaps the dead nit has no power [to grasp the hair] and so as the hair grows from the root, the nit slides.

The louse nit (egg) with its adherent cylindrical sheath cemented to the hair shaft.  The free distal end (arrow) would be directed towards the hair tip.  The egg has a domed operculum (arrow) that contains air holes, allowing the maturing larvae to breath.From Burkhat el al.  The adherent cylindrical nit structure and its chemical denaturation in vitro. Arch. Pediatric Adolescent Medicine 1988. 152; 711.

Pediculosis Humanus Capitas

Pediculosis Humanus capitas is the long scientific name of the tiny head louse.  The female, less than 3mm long, lives for about a month, and in that time lays over three hundred eggs.  The eggs are laid on a shaft of hair close to the scalp, where, warmed by the skin of their itchy host, they incubate for two weeks before hatching.  The new lice emerge, grow for about 12 days, mate, and lay their eggs, and the cycle continues. Humans are the only known host of these lice, and somewhere in this cycle you as a parent may get a call to come and take your child out of school because they have been found to have head lice, or nits, the name given to their eggs.  About 15% of school age children in the UK have head lice, while in the US estimates range from 6-12 million infestations per yearIn the US, the cost to treat those millions of infestations is more than $350 million.

True story: Many years ago while working in an emergency department in Boston, I received a call from the (warm and loving Jewish) preschool my children then attended.  My daughter had nits, and could not attend class. Despite my explaining that I could not leave my shift in the ED to come and get her for as trivial a reason as head lice, the school was adamant. She remained outside the classroom until arrangements to pick here up were made.  I do hope the psychological damage was minimal.

No healthy child should be excluded from or allowed to miss school time because of head lice. “No nit” policies for return to school should be discouraged.
— Barbara L. Frankowski, Leonard B. Weiner, Committee on School Health and Committee on Infectious Diseases. Head Lice. Pediatrics 2002: 110 (3); 642.

Fortunately, the American Academy of Pediatrics issued a report on head lice in 2002, and though it came too late for me, their advice supported my decision. Here's what they suggested:

Because a child with an active head lice infestation has likely had the infestation for a month or more by the time it is discovered, poses little risk to others, and does not have a resulting health problem, he or she should remain in class but be discouraged from close direct head contact with others. If a child is assessed as having head lice, confidentiality must be maintained so the child is not embarrassed. The child’s parent or guardian should be notified that day by telephone or a note sent home with the child at the end of the school day stating that prompt, proper treatment of this condition is in the best interest of the child and his or her classmates. 

Head Lice in Antiquity

Head lice have been with us for a long, long time, as evidenced by the Talmud's clear acquaintance with them.  Amazingly though, remains of a head louse have been identified on a louse comb from the Roman period that was discovered near the Dead Sea. (Even older remains have been found on the hair from Egyptian mummies, and nine-thousand year old lice eggs were found on human remains in Nahal Hemar near the Dead Sea.) "The comb was most probably used by inhabitants of the village of En Gedi, who were preparing a place of refuge in the cave, which would have been well equipped with food in baskets, storage jars and a large water pool before the end of the Bar Kokba Revolt in 135 CE." 

Wooden comb found in the Cave of the Pool, near Nahal David in the Dead Sea region. It was discovered in 1961.  From Mumcouglu and Hadas. Head Louse (Pediculus humanus capitis) Remains in a Louse Comb from the Roman Period Excavated in the Dead Sea Region. Israel Exploration Journal, Vol. 61, No. 2 (2011), pp. 223-229 

Head Lice More Recently

The House of Twenty Thousand Books, by Sasha Abramsky is wonderful read about the life, and library, of Chimen Abramsky (1916-2010) who was the son of the great Dayan Yechezkiel Abramsky, (1886-1976) head of the London Bet Din. Chimen (pronounced Shimon) who eventually became a professor of Jewish Studies at University College London, was an expert on Jewish books and built a significant collection of his own, which is detailed in the book. He also served as an advisor to Sotheby's and to Jack Lunzer, who built the greatest privately owned Jewish library in the world. Anyway, I came across this passage in the book, reminding us that presence of head lice was not just an annoyance - it was a way of life: 

Infant and childhood mortality soared in these years [of the First World War] in part because of the prevalence of diseases such as typhus - which  presumably explains why, in early photographs, the heads of Chimen and his brothers are shorn, to county the typhus-carrying lice.  Isaac Bashevis Singer, who was a few years older than Chimen, and like Chimen was brought up in a devout household...recalled having his sidelocks and head hair shaved off for this reason during the First World War...he wrote in his essay "The Book"..."I saw my red sidelocks fall and I knew this was the end of them. I wanted to get rid of them for a long time." (Sasha Abramsky. The House of Twenty Thousand Books. NYRB 2015. 57-58.)

For the Nazir, hair is a central part of his religious identity, and once that identity is no-longer needed, the hair is shaved off.  Which is exactly what Isaac Bashevis Singer felt too. 

The Body Louse and Typhus

Isaac Bashevis Singer (and his younger brother Moishe) caught lice during the occupation of Warsaw by the German army that began in late 1915. The lice certainly made life uncomfortable, as this page of Talmud describes. But the lice brought another more terrible and life-threatening condition. Typhus.

In his classic 1935 book Rats, Lice and History, Karl Zinsser wrote that “swords and lances, arrows, machine guns and even high explosives have had far less power over the fates of the nations than the typhus louse…”It is little wonder therefore that of the many diseases that were associated with Jews and Jewish immigrants to the New World, typhus was among the most feared.  

Typhus (from the Greek word typhos, meaning confused) is caused by a bacterium called Rickettsia prowazeki, but it cannot spread without the body louse. Once inside the louse it causes internal bleeding, and the lice takes on a reddish color as its blood leaks into its tissues. Eventually the carrier louse dies, and if it is on the skin, clothing or bedding of a person the bacterium passes through the skin and into the cells where it reproduces during the incubation period of about two weeks. It then causes a rash, fevers, headaches, confusion, hallucinations, and abdominal pain; it may spread to the lungs where it causes pneumonia. Before the antibiotic era, about 60% of all cases were fatal.

Typhus should not be confused with typhoid fever, which is caused by the Salmonella bacterium in contaminated food. In both conditions there is confusion, and hence the common root of their names. Modern outbreaks of typhoid fever have been prevented by the chlorination of drinking water, but the World Health Organization estimates that there are at least eleven million cases of typhoid fever worldwide, and about 130,000 deaths.

Typhus was described in eleventh-century Spain, sixteenth-century Italy and nineteenth-century France. In the catastrophic French invasion of Russia in 1812, only 3,000 soldiers of Napoleon’s original army of more than half a million men returned home. Most died of the cold and of typhus. Throughout its history, epidemic typhus was most associated with wars and large population upheavals. Some three million Russians died of typhus between 1917 and 1925. 

Because it was a disease of the those who were malnourished, and who lived in crowded conditions with poor sanitation, typhus was common among the poor Jews of eastern Europe. It is therefore not surprising that it featured some of the stories of Isaac Bashevis Singer (1903-1991), who grew up in the Polish village twenty-five miles north-west of Warsaw. The only child of Reb Mordecai Meir, the central character in his short story Grandather and Grandson, died of typhus. In a poorhouse in Poland we meet Mottke, a failed beadle who had reached America but was deported when he was found to have trachoma in his eye. Singer was not content with giving Mottke just one misfortune; Mottke’s father had died of typhus. And as we have noted, as a young boy Bashevis Singer had himself caught typhus, as had his brother Moishe. Still, Bashevis Singer managed to joke about the awful disease. In the short story Errors one of the characters cleverly notes that “an author doesn’t die of typhus but of typos.” Typhus was also found among the poor who had managed to emigrate, and who faced new living conditions that were not always much better than those they had left behind.  

The Jewish Fight against Typhus

In 1912 a group of Russian physicians and lawyers established the Obshchestvo Zdravookhraneniia Evreev (OSE), The Society for the Protection of the Health of the Jews. Its mission was to battle typhus, cholera and other epidemics among the Jews, and to improve their standards of sanitation. The effort quickly grew and by 1917 there were more than 45 OZE branches that operated in 102 cities in the former Russian Empire; later, offices opened in Berlin, Paris and London. They ran nineteen hospitals and ninety out-patient clinics, two sanatoria for patients with tuberculosis, and one-hundred and twenty-five nurseries that served over twelve-thousand children. A branch opened in Warsaw in 1921, called Towarzystwo Ochrony Zdrowia Ludności Żydowskiej w Polsce (TOZ)– The Society for the Protection of Jewish Health in Poland. The two organizations worked together. They produced a Yiddish health journal for the public called Folks-Gezunt, as well as a Polish-Yiddish scientific journal issued in Warsaw called Medycyna Społeczna (Social Medicine). Before the outbreak of World War II, the TOZ employed more than a thousand doctors, nurses, dentists and teachers.

Among the many public health campaigns that the OSE ran were a series of posters. One of these is especially poignant. It is a poster that uses the motif of the biblical plagues as a warning to prevent the body lice that transmit typhus. “Blood, Frogs, LICE [kinim]: the third plague is the worst. Stop the lice! Lice cause typhus.

Yiddish health poster warning against lice which carried typhus. By Joseph Tchaikov, printed by OSE London/Berlin 1923. Reproduced from Murderous Medicine by Naomi Baumslag, p6

Yiddish health poster warning against lice which carried typhus. By Joseph Tchaikov, printed by OSE London/Berlin 1923. Reproduced from Murderous Medicine by Naomi Baumslag, p6

The TOZ was shut down by the Nazis in 1942. Its property and assets were confiscated and most of the staff and patients were murdered. And of course under the deceit of “delousing,” the Nazis killed over a million Jews, along with Gypsies and other “undesirables” using Zyklon B, which had originally been developed as a pesticide and was used to fumigate and delouse clothing, trains and buildings. This page of Talmud is a reminder of the darkest period of Jewish history, when lice really did turn Jewish lives into lives that were not lived, חַיֵּיהֶן אֵינָם חַיִּים.

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From the Talmudology Archives: ~ Gauss, Tosafot, and Counting the Sukkot Sacrifices

We are currently celebrating the seven-day festival (or eight outside Israel) of Sukkot (Tabernacles). When the Temple in Jerusalem stood, it was a time when a large number of animals were sacrificed. A very large number. For each of the seven days of the festival, in addition to two rams, fourteen lambs and one goat there were a number of bulls that were sacrificed. Thirteen on the first day, twelve on the second, eleven on the third, ten on the fourth, nine on the fifth, eight on the sixth and finally seven bulls on the last day.

במדבר 29:12-34

וּבַחֲמִשָּׁה עָשָׂר יוֹם לַחֹדֶשׁ הַשְּׁבִיעִי מִקְרָא־קֹדֶשׁ יִהְיֶה לָכֶם כָּל־מְלֶאכֶת עֲבֹדָה לֹא תַעֲשׂוּ וְחַגֹּתֶם חַג לַה׳ שִׁבְעַת יָמִים׃ 

וְהִקְרַבְתֶּם עֹלָה אִשֵּׁה רֵיחַ נִיחֹחַ לַה פָּרִים בְּנֵי־בָקָר שְׁלֹשָׁה עָשָׂר אֵילִם שְׁנָיִם כְּבָשִׂים בְּנֵי־שָׁנָה אַרְבָּעָה עָשָׂר תְּמִימִם יִהְיוּ…׃ 

וּבַיּוֹם הַשֵּׁנִי פָּרִים בְּנֵי־בָקָר שְׁנֵים עָשָׂר אֵילִם שְׁנָיִם כְּבָשִׂים בְּנֵי־שָׁנָה אַרְבָּעָה עָשָׂר תְּמִימִם׃… 

וּבַיּוֹם הַשְּׁלִישִׁי פָּרִים עַשְׁתֵּי־עָשָׂר אֵילִם שְׁנָיִם כְּבָשִׂים בְּנֵי־שָׁנָה אַרְבָּעָה עָשָׂר תְּמִימִם׃… 

and so on…

Numbers 29:34

Pablo Picasso: “Bull,” 1945

On the fifteenth day of the seventh month, you shall observe a sacred occasion: you shall not work at your occupations.—Seven days you shall observe a festival of the LORD.— 

You shall present a burnt offering, an offering by fire of pleasing odor to the LORD: Thirteen bulls of the herd, two rams, fourteen yearling lambs; they shall be without blemish. 

The meal offerings with them—of choice flour with oil mixed in—shall be: three-tenths of a measure for each of the thirteen bulls, two-tenths for each of the two rams, 

and one-tenth for each of the fourteen lambs. 

And there shall be one goat for a sin offering—in addition to the regular burnt offering, its meal offering and libation. 

Second day: Twelve bulls of the herd, two rams, fourteen yearling lambs, without blemish… 

Third day: Eleven bulls, two rams, fourteen yearling lambs, without blemish…

and so on… 

So how many bulls would the manager of the Temple inventory have to make ready for the entire festival of Sukkot? Well, you could just add them up, which is not too hard (13+12+11+10+9+8+7=70), but there is another way, which is found in the medieval commentary known as Tosafot, on page 106 of the tractate Menachot. Let’s take a look. 

Another offering, another math problem

We read there that the mincha offering is accompanied by a minimum of a one-issaron measure of flour. But a mincha can also be accompanied by a multiple of that number, up to a maximum of 60 issronot. What happens if a person vows to bring a specific number of issronot of flour to accompany a mincha offering but cannot recall how many he had in mind? What number of issronot of flour should he offer? Well it’s a bit tricky. The sages ruled that a single offering using the full sixty issronot of flour is all that needs to be brought. But the great editor of the Mishnah, Rabbi Yehudah Hanasi disagreed. In a spectacular way. Here is the discussion:

מנחות קו, א

תנו רבנן פירשתי מנחה וקבעתי בכלי אחד של עשרונים ואיני יודע מה פירשתי יביא מנחה של ששים עשרונים דברי חכמים רבי אומר יביא מנחות של עשרונים מאחד ועד ששים שהן אלף ושמונה מאות ושלשים

The Sages taught in a baraita: If someone says: I specified that I would bring a meal offering, and I declared that they must be brought in one vessel of tenths of an ephah, but I do not know what number of tenths I specified, he must bring one meal offering of sixty-tenths of an ephah. This is the statement of the Rabbis. Rabbi Yehuda HaNasi says: He must bring sixty meal offerings of tenths in sixty vessels, each containing an amount from one-tenth until sixty-tenths, which are in total 1,830 tenths of an ephah.

Since there is a doubt as to the true intentions of the vow, Rabbi Yehudah HaNasi covers all the bases and requires that every possible combination of a mincha offering be brought. So you start with one mincha offering accompanied with one issaron of flour, then you bring a second mincha offering accompanied with two issronot of flour, then you bring a third mincha together with three issronot, and so on until you reach the maximum number of issronot that can accompany the mincha - that is until you reach sixty. The total number of Rabbi Yehudah HaNasi’s mincha offerings is then calculated: 1,830.

How did the Talmud arrive at that number? We are not told, and presumably you simply add up the series of numbers 1+2+3+4….+59+60, which gives a total of 1,830. That certainly would work. But Tosafot offers a neat mathematical trick to figure out the sum of a mathematical sequence like this:

שהן אלף ושמונה מאות ושלשים. כיצד קח בידך מאחד ועד ששים וצרף תחילתן לסופן עד האמצע כגון אחד וששים הם ס"א שנים ונ"ט הם ס"א ושלש ונ"ח הם ס"א כן תמנה עד שלשים דשלשים ושלשים ואחד נמי הם ס"א ויעלה לך שלשים פעמים ס"א

How did we arrive at 1,830? Take the series from 1 to 60 and add the sum of the first to the last until you get to the middle. Like this: 1+60=61; 2+59=61; 3+58=61. Continue this sequence until you get to 30+31 which is also 61. You will have 30 sets of 61 (ie 1,830).

Tosafot continues with the math lesson, and lets us know the total number of bulls sacrificed over the seven day festival of Sukkot:

וכן נוכל למנות פרים דחג דעולין לשבעים כיצד ז' וי"ג הם עשרים וכן ח' וי"ב הם עשרים וכן ט' וי"א הם כ' וי' הרי שבעים

This method may also be used to count the number of sacrificial bulls on Sukkot, which are a total of 70. How so? [There are thirteen offered on the first day of sukkot, and one fewer bull is subtracted each day until the last day of sukkot, on which seven bulls are offered.] 13+7=20; 12+8=20; 11+9=20… [There are a total of 3 pairs of 20+ an unpairable 10]= 70.

In mathematical terms, the Tosafot formula for the sum (S) of the consecutive numbers in Rebbi’s series, where n is the number of terms in the series and P is the largest value, is S= n(P+1)/2. Which reminds us of…

Carl Friedrich Gauss

Carl Friedrich Gauss (1777-1855) was one of the world’s greatest mathematicians. He invented a way to calculate the date of Easter (which is a lot harder than you’d think), and made major contributions to the fields of number theory and probability theory. He gave us the Gaussian distribution (which you might know as the ”bell curve”) and used his skills as a mathematician to locate the dwarf planet Ceres. The British mathematician Henry John Smith wrote about him that other than Isaac Newton, “no mathematicians of any age or country have ever surpassed Gauss in the combination of an abundant fertility of invention with an absolute rigorousness in demonstration, which the ancient Greeks themselves might have envied.”

There is a delightful (though possibly apocryphal) story about Gauss as a bored ten-year old sitting in the class of Herr Buttner, his mathematics teacher. There are at least 111 slightly different versions of the story, but here is one, as told by Tord Hall in his biography of Gauss:

When Gauss was about ten years old and was attending the arithmetic class, Buttner asked the following twister of his pupils. “Write down all the whole numbers from 1 to 100 and add their sum…The problem is not difficult for a person familiar with arithmetic progressions, but the boys were still at the beginner’s level, and Buttner certainly thought that he would be able to take it easy for a good while. But he thought wrong. In a few seconds, Gauss laid his slate on the table, and at the same time he said in his Braunschweig dialect: “Ligget se” (there it lies). While the other pupils added until their brows began to sweat, Gauss sat calm and still, undisturbed by Buttner’s scornful or suspicious glances.

How had the child prodigy solved the puzzle so quickly? He had added the first number (1) to the last number (100), the second number (2) to the second from last number (99) and so on. Just like Tosafot suggested. The sum of each pair was 101 and there were 50 pairs. And so Gauss wrote the answer on his slate board and handed it to Herr Buttner. It is 5,050.

THE Number of bulls=70

Gauss was raised as a Lutheran in the Protestant Church, and so he did not learn of this method from reading Tosafot. But it is delightful to learn that the same mathematical method that launched Gauss into his career as a mathematician predated him by at least four-hundred years and can be found on page 106a of Menachot, where it also applies to the festival of Sukkot.

Happy Sukkot from Talmudology

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From the Talmudology Archives: The Vilna Gaon’s Sleepless Nights over Sukkot

Tonight is the start of the joyous festival of Sukkot (Tabernacles) in which we remember our time in the wilderness by conducting all of our daily activities outside, in makeshift booths. In honor of Sukkot, here is a Talmudology encore presentation that involves vows, sleep, and the Vilna Gaon’s refusal to sleep in prison over Sukkot.

Let’s start with the Talmud in Nedarim, the tractate that deals with vows.

נדרים טו א

והא"ר יוחנן שבועה שלא אישן שלשה ימים מלקין אותו וישן לאלתר

...Rabbi Yochanan said "An oath that I will not sleep for three days" - we lash him [since he took an oath in vain] and he may sleep immediately...(Nedarim 15a)

How long can you go without sleep? If you are like me, staying awake for just one night can be very challenging.  I worked my share of night shifts in the emergency department for over fifteen years (amounting to hundreds of overnight shifts) but it never got any easier with time. We all push ourselves when we need to, but is there a physiological limit to the amount of time that you can stay awake?

The World Record for Staying Awake

The world record for staying awake is an amazing eleven days. Eleven days – that’s 264 hours (and 24 minutes to be precise) without sleep. It was set in 1965 by Randy Gardner, who was then seventeen years old. Gardner seems to have suffered little if any harm by his marathon period of sleep deprivation. But don’t try and beat the record. The Guinness Book of Records no longer has an entry for staying awake – because it is considered too dangerous an ordeal to undertake. (You can hear a review of sleep deprivation stunts in general and a wonderful interview with Gardner himself here.)

The Health Risks of Sleep Deprivation

A 1970 study of four volunteers who stayed awake for 205 hours (that’s eight and a half days!) noted some differences in how the subjects slept once they were allowed to do so, but follow-up testing of the group conducted 6-9 months after the sleep deprivation showed that their sleep patterns were similar to the pre-deprivation recordings.

Although Randy Gardner and these four volunteers seem to have suffered no long-term health consequences of staying awake for over a week, scientists have long noted that sleep deprivation is rather bad for the body. Or to be more precise, the bodies of unfortunate laboratory rats who are not allowed to sleep. In these animals, prolonged sleep deprivation causes the immune system to malfunction. This results in infection and eventual lethal septicemia. The physiologist who kept these rats awake noted that there are “far-reaching physical implications resulting from alterations in immune status [which] may explain why sleep deprivation effects are risk factors for disease and yet are not well defined or specifically localized.” In other words, sleep deprivation makes rats really sick, but we don’t know how, or why…

One possible explanation was suggested in a 2013 by a group from the University of Rochester Medical Center. They demonstrated that during sleep, the space between the cells of the brain (the interstitial space) increased by up to 60%, allowing toxic metabolites to be cleared. This raises the question of whether the brain sleeps in order to expel these toxic chemicals, or rather it is the chemicals themselves that drive the brain to switch into a sleep state.

The extracellular (interstitial) space in the cortex of the mouse brain, through which cerebral spinal fluid moves, increases from 14% in the awake animal to 23% in the sleeping animal, an increase that allows the faster clearance of metabolic waste products and toxins. From Suzana Herculano-Houzel. Sleep it out. Science 2013: 342; 316

Not having any sleep is bad for your health - but so too is going without enough sleep. Chronic restriction of sleep to six hours or less per night can produce cognitive performance deficits equivalent to up to two nights of total sleep deprivation. So be sure to get a full night's rest.

How long did the Vilna Gaon stay awake?

And now, with this background, we can turn to Sukkot. In his book on the Vilna Gaon, Eli Stern reviewed an episode in which the Gaon (d. 1797) was jailed on charges of kidnapping. (It’s a long story, but the Vilna Gaon was involved in the kidnapping of a young Jewish man who had converted to Christianity.) This episode occurred in January 1788, after which the Gaon was arrested and held for over a month.  The case was later tried, and on September 15, 1789 (sic) the Gaon of Vilna (together with others involved in the kidnapping) was sentenced to twelve weeks in jail.  Although it is unclear how long he was imprisoned, he was there over Sukkot, and the Lithuanian authorities were hardly in the practice of providing imprisoned Jews with a sukkah.  But since one is not permitted to sleep outside of the sukkah, what was the Gaon to do?  Simple.  He’d stay awake, and by doing so he would not transgress the prohibition of sleeping outside the sukkah.  Here’s how the episode is described in the work Tosefet Ma’aseh Rav published in 1892. 

Our Leader, teacher and Rabbi may he rest in peace, when he was imprisoned on Sukkot, tried with all his strength, and walked from one place to another, and held his eyelids open, and made an extraordinary effort not to sleep outside the sukkah – not even a brief nap – until the authorities released him to a sukkah.

We don’t know for how long the sixty-nine year-old Elijah stayed awake, but any suggestion that he was awake for the entire holiday of Sukkot seems to be far fetched (though as we have seen, not entirely impossible).

Hard, But Not Impossible

As we read in the Talmud, Rabbi Yochanan ruled that since it impossible to stay awake for more than three days, any vow to do so is considered to have been a vow made in vain – and punishment follows swiftly.  Here is how the ArtScroll Talmud explains this ruling, (based on the explanation of the Ran).

Since it is impossible for a person to go without sleep for three days, the man has uttered a vain oath. Hence, he receives lashes for violating the prohibition (Exodus 20:7): לא תשא את שם ה׳ אלוקיך לשוא, You shall not take the Name of Hashem, your God, in vain. And since the oath -being impossible to fulfill -has no validity, he is not bound by it at all and may sleep immediately.

We have seen however, that while it’s not a good idea to do so on any kind of regular basis, it is certainly possible to stay up for longer than three days. (Back in the 1970s, some volunteers would even do so for as little as $100). Maimonides codified this law and also assume that it is impossible to stay awake for three consecutive days. 

רמב"ם הלכות שבועות פרק ה הלכה כ

נשבע שלא יישן שלשת ימים, או שלא יאכל כלום שבעת ימים וכיוצא בזה שהיא שבועת שוא, אין אומרין יעור זה עד שיצטער ויצום עד שיצטער ולא יהיה בו כח לסבול ואח"כ יאכל או יישן אלא מלקין אותו מיד משום שבועת שוא ויישן ויאכל בכל עת שירצה

Based on what we've reviewed, Rabbi Yochanan was incorrect when he stated that it was impossible to stay awake for three days. It's certainly not impossible, but that hardly means it's a good idea to try. 

Sleep deprivation reduces learning, impairs performance in cognitive tests, prolongs reaction time, and is a common cause of seizures. In the most extreme case, continuous sleep deprivation kills rodents and flies within a period of days to weeks. In humans, fatal familial or sporadic insomnia is a progressively worsening state of sleeplessness that leads to dementia and death within months or years.
— Lulu Xie et al. Sleep Drives Metabolite Clearance from the Adult Brain. Science 2013. 342.317

This may explain the teaching of Rabbi Chaninah ben Chachina'i in Masechet Avot  (3:4) who taught that one who stays awake at night "will forfeit with his life."  Now that's a warning to heed.

רבי חנינא בן חכינאי אומר הנעור בלילה ... הרי זה מתחייב בנפשו

Happy Sukkot from Talmudology 

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From the Talmudology Yom Kippur Archives ~ To the Right. Always to the Right

Tomorrow night is the start of Yom Kippur, the Day of Atonement, which is the holiest day in the Jewish calendar. Many of the prayers center on the service that was once performed in the Temple in Jerusalem. So in honor of Yom Kippur, today we dip into the Talmudology archives and discuss an important aspect of the Temple service.

יומא טו, ב

כל פינות שאתה פונה לא יהו אלא דרך ימין...

All turns that you make must be towards the right

In discussion the service in the Temple, the Talmud notes that when walking up the ramp to the top of the Altar, the Cohen must make a right turn at the top. Following that, every turn he makes must be a right turn. But why a right turn?

The importance of the right side in Judaism

In the Talmud and in normative Jewish practice, the preference to favor the right over the left is everywhere. Here are just a few. (How many more can you think of?)

  • Rav Ashi rules that Tefillin must placed it on the left arm, because it is weaker than the right and the action of placing them should be performed with the stronger right hand (מנחות לז, א).

  • The Talmud teaches that a right-handed person who writes with her left hand on Shabbat has not violated the prohibition against writing. It doesn't count. Maimonides (הלכות שבת 11:14) agrees:

הַכּוֹתֵב בִּשְׂמֹאלוֹ אוֹ לְאַחַר יָדוֹ בְּרַגְלוֹ בְּפִיו וּבְמַרְפֵּקוֹ פָּטוּר

  • According to Rava, walking should start with the right leg, and not the left (יומא יא, ב)

  • As we know from studying Zevachim, the entire service in the Temple in Jerusalem must be performed with the right hand (ביאת המקדש 5:18 )

  • The rite of חליצה must be performed with the right leg and a right shoe (יבמות קד, א).

  • The mezuzah can only be placed on the right side of the door (רמבם הל׳ מזוזה 6:12).

  • The best student of a rabbi should walk on the rabbi's right side, relegating the second best to the left (יומא לז, א).

  • Again in this tractate, Rabbi Yehudah stated that “the right hand of the deputy high priest (סגן כהן גדול) is superior to the left hand of the high priest (כהן גדול) (יומא לט,א)

  • After observing his teacher Rabbi Yehoshua, Rabbi Akiva taught that the left hand should be used after using the bathroom, out of respect to the right hand (ברכות סב,ב). When challenged as to why Rabbi Akiva was impertinent enough to report on which hand his teacher wiped himself he replied תורה היא וללמוד אני צריך - "this too is Torah, and I must study it".

לֵ֤ב חָכָם֙ לִֽימִינ֔וֹ וְלֵ֥ב כְּסִ֖יל לִשְׂמֹאלֽוֹ׃

A wise man’s mind tends toward the right hand, a fool’s toward the left.

— Kohelet 10:2

It's not Just Judaism

  • In Islam

The importance of all things right handed is found in other religions. For example, when Muslims perform any of the following, it is mustahabb [مستحبّ‎, - "recommended"] to start on the right or use the right hand.

  • putting on one's garment and pants and shoes

  • entering the mosque, using the siwaak [ a kind of toothpick]

  • putting on kohl [an ancient blue eye cosmetic]

  • clipping the nails

  • trimming the mustache

  • combing the hair plucking the armpit hair

  • shaving the head

  • saying salaam at the end of prayer

  • washing the limbs when purifying oneself

  • exiting the toilet, eating and drinking

  • shaking hands

  • touching the Black Stone [ٱلْحَجَرُ ٱلْأَسْوَد‎, al-Ḥajaru al-Aswad, a rock set into the eastern corner of the Kaaba, the ancient building located in the center of the Grand Mosque in Mecca, Saudi Arabia. Legend has it that the rock dates back to Adam and Eve.]

  • The Bukhari Sharif , one of the six major hadith collections of Sunni Islam rules along the lines of Rabbi Akiva:

"... when you urinate, do not touch your penis with your right hand. And when you cleanse yourself after defecation, do not use your right hand."

The right hand of the Messenger of Allah (peace and blessings of Allah be upon him) was for his purification and food, and his left hand was for using the toilet and anything that was dirty...
— Sunan Abi Dawood (33)
  • in christianity

  • When genuflecting, it is the right knee that is bent while the left hip is extended, "because genuflecting on the right knee is a sign of worship and is reserved for God alone."

  • in hinduism

  • Offerings, such as flowers or garlands, are carried with both hands on the right side of the body.

  • "Pointing with the forefinger of the right hand or shaking the forefinger in emphasis while talking is never done. This is because the right hand possesses a powerful, aggressive pranic force, and an energy that moves the forces of the world."

  • Vāmācāra ( वामाचार, meaning "left-handed attainment" in Sanskrit) describes the "Left-Hand Path" or "Left-path" It is used to describe a particular mode of worship that is heterodox to standard Vedic teachings.

  • In Benares, the holiest of the seven sacred cities and sitting on the Ganges, "pilgrims circumambulate with their right hands towards the center, as Krishna is alleged to have done at the sacred mountain."

Well, you get the point.  Judaism, along with all the major religions (and some you've never heard of) emphasize the dominance of the right hand in all things holy. Or mundane.

The Ngaga of southern Borneo believe everything in the after-world is reversed, “sweet” becoming “bitter”, “straight” becoming “crooked”, and “right” becoming “left”. Likewise the Toraja of Celebes (Sulawesi) believed the dead do everything backwards, even pronouncing words backwards... the dead therefore use their left hand...
— I. C. Mcmanus. Right Hand, Left Hand: The Origins of Asymmetry in Brains, Bodies, Atoms and Cultures. Phoenix 2003, p27.

 and It's not just religions

There are lots of things that have chirality - meaning they have a mirror image but cannot be mapped onto that mirror image by rotations and translations. They exist in left or right-handed versions. Let's start with in easy example. Um, your hands. Although your right hand mirrors your left, your right hand cannot (comfortably) fit into a handed-glove.

From here.

Here's another example. Bend your fingers and extend your thumb as below. You've made two mirror images that cannot be mapped onto each other. (Go on. Give it a try. See what I mean?) That's chirality.

If we extend this to molecules, they are left or right-handed, meaning they are mirror images but they cannot be superimposed on each other. These are isomers. Like this:

From here.

And here is where things start to get really weird. Nearly everything in the universe - from chemicals and medications to fundamental particles and even galaxies themselves have a right-handed or left-handed preference. No, really. 

Let's start with the essential building blocks of life: amino acids and sugars. Almost all amino acids (not you, glycine) used by life on earth (but not necessarily elsewhere in the universe) are left-handed.  Right-handed amino acids exist of course. They're just not utilized by any life form on earth. Any.  If you sit in a lab and cook up an amino acid from its ingredients, you will make an equal amount of the left and right handed variates. That's just good old chemistry at work. But life on earth can only use half the mixture: the L form. Some bacteria can actually convert right-handed amino acids into the left-handed version, but they can’t use the right-handed ones as is.

Like amino acids, sugars also come in two isomers, but those that are used by life forms on earth are the right-handed variety. All the enzymes that living things use to manipulate amino acids and sugars only work on left-handed amino acids and right-handed sugars. They simply can't use the opposites. Why did life turn out this way? Truth is, nobody knows.  

Medications also exhibit chirality. For example, propranolol is commonly used to help control high blood pressure. Some of you reading this may be taking it. The left form (L-propranolol) is the one that helps. The right form (known as D-propranolol) is inactive. (The Latin for left and right is laevus and dexter, respectively.)

Quinine is an antimalarial drug. It has an isomer called quinidine, and quinidine has no anti-malarial action. But it's a great drug to reduce arrhythmias of the heart. One compound, with two isomers, each with their own remarkable and very different healing properties.

Now consider muons, a fundamental particle in our universe. It is kind of like an electron, but about 200 times heavier. Muons have an average life-expectancy of 2.2 microseconds (so don't expect any kind of long-term relationship,) after which time they decay into an electron, a neutrino, and an anitneutirno. The direction that the electron will come out depends on the direction in which the muon spins. Now you would expect there to be equal amounts of electrons that are ejected spinning one way or another. But there aren't.  What happens is that 99.9% of muons decay in a right-handed fashion.

And while we are on the subject of decaying muons, let's talk about those neutrinos, which are a weird fundamental particle with the smallest mass of any known thing. They too, have a preference for the right or left. All neutrinos are left handed, while all anti-neutrinos (whatever that means) are right handed.

Left and right handed galaxies. From here.

Ready for more? Statistically speaking our universe should contain an equal amount of left and right handed galaxies (as noted in how they spin). But this should not occur. In an analysis of over 2,600 nearby spiral galaxies and a later analysis of 15,000 more, Michael Longo demonstrated that that left-handed spirals are more common in the northern hemisphere, above the northern galactic pole. And although the signal is less strong, right-handed spirals appear more frequently in the south.

It's good to be a leftie

About 10-13% of humans are left-handed. (Captive chimpanzees are more left-handed than us, with an approximate 2:1 ratio of righties to lefties. In us it's more like 8:1) But aside from the problem of not finding scissors that work for you, being a leftie gives you some pretty good advantages.

...not only left-handers are over-represented in confrontational sports, but the closer the physical interaction of the opponents such as in boxing, fencing, judo, or karate, the greater the prevalence of left-handers. In basketball, football, handball, table tennis, tennis, and volleyball, for instance, competitors stand some distance apart and do not confront directly. But even in these sports, there are more than the expected number of left-handers...
— Grouios G. et al. Do left-handed competitors have an innate superiority in sports? Perception and Motor Skills, 2000:90;1273-1282

At the undergraduate level they are more likely to take part in a whole range of events, from judo and fencing and soccer and volleyball. But when it comes to non-confrontational sports like cycle racing, running or swimming, the proportion of left handers fall back to that of the general population. Lefties make up about 10% of the population, but 23% of all Wimbledon tennis champions were lefties.

There is a lot more evidence that lefties have many advantages over righties. In a complicated test of spatial skills which you can read about here, 47 lefties demonstrated faster and more accurate spatial skills than the 50 righties, along with strong executive control and mental flexibility. And in this study of 100 lefties and 100 righties, the left-handed demonstrated greater creativity than the right-handed on all 4 scales of the Torrance test which examines creative thinking.

And lefties appear to be smarter that righties.  In a study of some 300 gifted children, left (-or mixed-handedness) occurred more frequently in those who were mathematically or verbally precocious (for our readers in the US, this meant an SAT-M score of more than 700 and an SAT-L score of more than 630). Of the last 15 US presidents, seven (about 47%) have been left-handed.  That's almost 1 in 2! Oh, and compared with righties, college-educated left-handers in the US earn 10-15% more.

Leonardo da Vinci was a lefty, as were Michelangelo, Isaac Newton, and Albert Einstein.

Despite these, and many other advantages, our cultures have stigmatized those who are left-handed. We all know that the word sinister (meaning something harmful or evil is going to happen) comes from the Latin sinister meaning left.  But there are more examples of anti-left associations in other languages too. Adroit, meaning clever or skillful comes from the French word for right droite, meaning dextrous. In German, linkisch means awkward, and it comes from the German links, meaning left. And so it goes on.

Back to the Jewish Bible

Left-handed people are mentioned only three times in Tanach, and all come from the tribe of Benjamin:

  • There were the 700 men from the tribe of Benjamin who could use a sling with deadly accuracy (שופתים 20:16):

מִכֹּ֣ל ׀ הָעָ֣ם הַזֶּ֗ה שְׁבַ֤ע מֵאוֹת֙ אִ֣ישׁ בָּח֔וּר אִטֵּ֖ר יַד־יְמִינ֑וֹ כָּל־זֶ֗ה קֹלֵ֧עַ בָּאֶ֛בֶן אֶל־הַֽשַּׂעֲרָ֖ה וְלֹ֥א יַחֲטִֽא׃

  • There were the ambidextrous men who came to fight for King David at Ziklag, who were from the tribe of Benjamin (דברי הימים א, 12:2)

נֹ֣שְׁקֵי קֶ֗שֶׁת מַיְמִינִ֤ים וּמַשְׂמִאלִים֙ בָּֽאֲבָנִ֔ים וּבַחִצִּ֖ים בַּקָּ֑שֶׁת מֵאֲחֵ֥י שָׁא֖וּל מִבִּנְיָמִֽן׃

  • And perhaps most famously there was the left-handed Ehud ( אֶת־אֵה֤וּד בֶּן־גֵּרָא֙ בֶּן־הַיְמִינִ֔י אִ֥ישׁ אִטֵּ֖ר יַד־יְמִינ֑וֹ) who assassinated the Moabite king Eglon (שופתים 3:12-30). Because Ehud was left-handed he hid his dagger on his right side. In this way he got past the body search outside the throne room, where the guards looked for a weapon on the left. As for the rest, well, read on:

    וַיִּשְׁלַ֤ח אֵהוּד֙ אֶת־יַ֣ד שְׂמֹאל֔וֹ וַיִּקַּח֙ אֶת־הַחֶ֔רֶב מֵעַ֖ל יֶ֣רֶךְ יְמִינ֑וֹ וַיִּתְקָעֶ֖הָ בְּבִטְנֽוֹ׃ וַיָּבֹ֨א גַֽם־הַנִּצָּ֜ב אַחַ֣ר הַלַּ֗הַב וַיִּסְגֹּ֤ר הַחֵ֙לֶב֙ בְּעַ֣ד הַלַּ֔הַב כִּ֣י לֹ֥א שָׁלַ֛ף הַחֶ֖רֶב מִבִּטְנ֑וֹ וַיֵּצֵ֖א הַֽפַּרְשְׁדֹֽנָה׃

    Reaching with his left hand, Ehud drew the dagger from his right side and drove it into [Eglon’s] belly. The fat closed over the blade and the hilt went in after the blade—for he did not pull the dagger out of his belly—and the filth came out.

All of this is really strange because of course the name of this tribe  - Benjamin - literally means "the son of the right" בן ימין.  

Back to the Talmud

The Talmud in Yoma has a very short instruction:"All turns that you make must be towards the right." But this phrase reveals a profound truth about who we are as humans, and of the very stuff from which we are made.  In culture after culture, in religions after religion, and in the very structure of our universe, there are left or right-handed preferences and predilections, many of which we simply cannot currently explain. Our religious and cultural preferences for the right likely stems from the simple fact that left-handedness is eight times less common. Unfortunately, a suspicion of the other, of those who are not like the majority, is a common trait that in one way or another we all share. But it needn't be so. The other, those in the minority, teach us and enrich our lives. Heck, they are often even smarter and quicker than the majority.  We are all better off with them.

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