The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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The strangers in your dreams are actually people that you've seen in real life.
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Cows can sleep standing up, but they can only dream lying down.
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The average cat sleeps about 2/3 of the day.
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The higher someone’s I.Q. the more likely they are to be sleep deprived.
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Dieters who sleep more take off more fat that those who sleep less.
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Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
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