Cows can sleep standing up, but they can only dream lying down.
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44% of kids watch television before they go to sleep.
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The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
Honeybees never sleep.
276
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28