The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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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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A new baby usually deprives each of it's parents around 350-400 hours of sleep in the first year. That is one entire nights sleep per week, per parent.
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Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
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The average person falls asleep in seven minutes.
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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 harder you concentrate on falling asleep, the less likely you are to fall asleep.
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