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On 5 January 1975, the 12-bit field that had been used for dates in the TOPS-10 operating system for DEC PDP-10 computers overflowed, in a bug known as "DATE75". The field value was calculated by taking the number of years since 1964, multiplying by 12, adding the number of months since January, multiplying by 31, and adding the number of days since the start of the month; putting 2 12 − 1 ...
The study itself had the men participating in seven conditions, including "placebo" and 100 mg and 400 mg of caffeine consumed 12, 8, and 4 hours before bedtime.
December 27, 2024 at 12:12 PM ... “I will probably never in my lifetime meet the person that gets away with six hours of sleep. It is an extraordinarily rare condition that people sleep less ...
Children (6 to 12 years) should sleep 9 to 12 hours per 24 hours. Teenagers (13 to 18 years) should sleep 8 to 10 hours per 24 hours. Adults should sleep 7 or more hours per night.
Randy Gardner (born c. 1946) is an American man from San Diego, California, who once held the record for the longest amount of time a human has gone without sleep.In December 1963/January 1964, 17-year-old Gardner stayed awake for 11 days and 24 minutes (264.4 hours), breaking the previous record of 260 hours held by Tom Rounds.
However, the Guinness record was actually for 11½ days, or 276 hours, and was set by Toimi Soini in Hamina, Finland, from February 5 to the 15th, 1964, and Wright did not in fact break the Guinness record. [2] However, Wright's friend Graham Gynn asserts that the Gardner record was the accepted record in the sleep research community. [2]
A contour plot of the hours of daylight as a function of latitude and day of the year, using the most accurate models described in this article. It can be seen that the area of constant day and constant night reach up to the polar circles (here labeled "Anta. c." and "Arct. c."), which is a consequence of the earth's inclination.
Daylight savings time ends on Nov. 5, 2023 at 2 a.m., and everyone is getting an extra hour of sleep. Here's how to help yourself adjust to the time change fast.