In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
If you hold farts in during the day, they'll just come out when you sleep.
16
44% of kids watch television before they go to sleep.
106
Bats sleep 18-20 hours per day.
5
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
Dieters who sleep more take off more fat that those who sleep less.
159
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22