You burn more calories sleeping than you do watching television.
348
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Cows can sleep standing up, but they can only dream lying down.
745
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
Bats sleep 18-20 hours per day.
5
44% of kids watch television before they go to sleep.
106
People who sleep late have more mental stamina and can outperform early risers.
33
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22