Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
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47% of people have a nightmare at least once a month.
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Those who get out of bed by 7am are more likely to be thinner and happier.
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The higher someone’s I.Q. the more likely they are to be sleep deprived.
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The strangers in your dreams are actually people that you've seen in real life.
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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 record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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