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
The strangers in your dreams are actually people that you've seen in real life.
50
You burn more calories sleeping than you do watching television.
348
People who sleep late have more mental stamina and can outperform early risers.
33
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
The average cat sleeps about 2/3 of the day.
203