You burn more calories sleeping than you do watching television.
348
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
Bats sleep 18-20 hours per day.
5
The average person falls asleep in seven minutes.
115
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12