You burn more calories sleeping than you do watching television.
348
If you hold farts in during the day, they'll just come out when you sleep.
16
Bats sleep 18-20 hours per day.
5
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Honeybees never sleep.
276
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29