Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
You burn more calories sleeping than you do watching television.
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Bats sleep 18-20 hours per day.
5
The strangers in your dreams are actually people that you've seen in real life.
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Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
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