Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
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Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
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You burn more calories sleeping than you do watching television.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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Cows can sleep standing up, but they can only dream lying down.
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A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
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