The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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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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The average person falls asleep in seven minutes.
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Bats sleep 18-20 hours per day.
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The human brain is more active during sleep than during the day.
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Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
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The harder you concentrate on falling asleep, the less likely you are to fall asleep.
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