Bats sleep 18-20 hours per day.
5
You forget 90% of your dreams.
256
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
44% of kids watch television before they go to sleep.
106
Honeybees never sleep.
276