Bats sleep 18-20 hours per day.
5
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
Termites work 24 hours per day and they do not sleep.
57
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