The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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People who sleep late have more mental stamina and can outperform early risers.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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The human brain is more active during sleep than during the day.
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"Dysania" is the state of finding it hard getting up out of bed in the morning.
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If you hold farts in during the day, they'll just come out when you sleep.
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