The human brain is more active during sleep than during the day.
28
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
Cows can sleep standing up, but they can only dream lying down.
745
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The average person falls asleep in seven minutes.
115
Dieters who sleep more take off more fat that those who sleep less.
159