Cows can sleep standing up, but they can only dream lying down.
745
The average person falls asleep in seven minutes.
115
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
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
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149