The human brain is more active during sleep than during the day.
28
Bats sleep 18-20 hours per day.
5
The average person falls asleep in seven minutes.
115
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
29
Lack of water is the #1 trigger of daytime fatigue.
148
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
