"Dysania" is the state of finding it hard getting up out of bed in the morning.
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The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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Bats sleep 18-20 hours per day.
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The average person falls asleep in seven minutes.
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Dieters who sleep more take off more fat that those who sleep less.
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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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In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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