The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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Cows can sleep standing up, but they can only dream lying down.
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"Dysania" is the state of finding it hard getting up out of bed in the morning.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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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".
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Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
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If you hold farts in during the day, they'll just come out when you sleep.
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Bats sleep 18-20 hours per day.
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