The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
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The human brain is more active during sleep than during the day.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
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The average person falls asleep in seven minutes.
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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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