47% of people have a nightmare at least once a month.
186
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
The average person falls asleep in seven minutes.
115
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29