The human brain is more active during sleep than during the day.
28
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
The average cat sleeps about 2/3 of the day.
203
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13