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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.
A comparison of data collected from the Bureau of Labor Statistics' American Time Use Survey from 1965 to 1985 and 1998–2001 has been used to show that the median amount of sleep, napping, and resting done by the average adult American has changed by less than 0.7%, from a median of 482 minutes per day from 1965 through 1985 to 479 minutes ...
After checking the time, the subject tries to relax and fall asleep. When sleep is attained, the spoon will fall and strike the plate, awakening the subject, who then checks to see how much time has passed. The number of minutes passed is the sleep onset latency at that particular hour on that particular day. [1]: 340
Sleep problems are especially common among older adults—20% of adults over age 65 experience sleeping problems compared to 14% of adults between the ages of 18 and 44.
Sleep efficiency (SE) is the ratio between the time a person spends asleep, and the total time dedicated to sleep (i.e. both sleeping and attempting to fall asleep or fall back asleep). It is given as a percentage. [1] SE of 80% or more is considered normal/healthy with most young healthy adults displaying SE above 90%.
The evidence for harm to people who are deprived of sleep, or work irregular hours, is robust. Research from Europe and the United States on nonstandard work hours and sleep deprivation found that late-hour workers are subject to higher risks of gastrointestinal disorders, cardiovascular disease, breast cancer, miscarriage, preterm birth, and low birth weight of their newborns.
The study showed that if people paused when they were about 90 percent of the way to climax, and then resumed after slowing down a bit, their eventual orgasm was way more powerful.
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