The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
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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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The strangers in your dreams are actually people that you've seen in real life.
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The higher someone’s I.Q. the more likely they are to be sleep deprived.
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The average person falls asleep in seven minutes.
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The average cat sleeps about 2/3 of the day.
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Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
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