Bats sleep 18-20 hours per day.
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You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
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47% of people have a nightmare at least once a month.
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The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
Sea otters hold hands while sleeping so they don’t drift away from each other.
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