You burn more calories sleeping than you do watching television.
348
The human brain is more active during sleep than during the day.
28
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
Those who get out of bed by 7am are more likely to be thinner and happier.
20
If you hold farts in during the day, they'll just come out when you sleep.
16
The strangers in your dreams are actually people that you've seen in real life.
50
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15