You burn more calories sleeping than you do watching television.
348
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
If you hold farts in during the day, they'll just come out when you sleep.
16
Bats sleep 18-20 hours per day.
5
The average cat sleeps about 2/3 of the day.
203
You forget 90% of your dreams.
256