47% of people have a nightmare at least once a month.
186
The average cat sleeps about 2/3 of the day.
203
Bats sleep 18-20 hours per day.
5
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Cows can sleep standing up, but they can only dream lying down.
745
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
44% of kids watch television before they go to sleep.
106