The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
The human brain is more active during sleep than during the day.
28
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
The strangers in your dreams are actually people that you've seen in real life.
50