The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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You burn more calories sleeping than you do watching television.
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Dieters who sleep more take off more fat that those who sleep less.
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47% of people have a nightmare at least once a month.
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Lack of water is the #1 trigger of daytime fatigue.
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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
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