If you hold farts in during the day, they'll just come out when you sleep.
16
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
Bats sleep 18-20 hours per day.
5
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Dieters who sleep more take off more fat that those who sleep less.
159
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12