Cows can sleep standing up, but they can only dream lying down.
745
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
The human brain is more active during sleep than during the day.
28
The strangers in your dreams are actually people that you've seen in real life.
50
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
Lack of water is the #1 trigger of daytime fatigue.
148