Dieters who sleep more take off more fat that those who sleep less.
159
Bats sleep 18-20 hours per day.
5
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
Cows can sleep standing up, but they can only dream lying down.
745
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Those who get out of bed by 7am are more likely to be thinner and happier.
20