Bats sleep 18-20 hours per day.
5
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
If you hold farts in during the day, they'll just come out when you sleep.
16
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
The human brain is more active during sleep than during the day.
28