There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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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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Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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If you hold farts in during the day, they'll just come out when you sleep.
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The higher someone’s I.Q. the more likely they are to be sleep deprived.
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Cows can sleep standing up, but they can only dream lying down.
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