One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
44% of kids watch television before they go to sleep.
106
Cows can sleep standing up, but they can only dream lying down.
745
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
The average cat sleeps about 2/3 of the day.
203
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28