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
Honeybees never sleep.
276
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
47% of people have a nightmare at least once a month.
186