If you hold farts in during the day, they'll just come out when you sleep.
16
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Dieters who sleep more take off more fat that those who sleep less.
159
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
Honeybees never sleep.
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