The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
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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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Termites work 24 hours per day and they do not sleep.
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Dieters who sleep more take off more fat that those who sleep less.
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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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