In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
The average person falls asleep in seven minutes.
115
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
Honeybees never sleep.
276
47% of people have a nightmare at least once a month.
186
The strangers in your dreams are actually people that you've seen in real life.
50
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28