Honeybees never sleep.
276
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
If you hold farts in during the day, they'll just come out when you sleep.
16
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
Those who get out of bed by 7am are more likely to be thinner and happier.
20