The strangers in your dreams are actually people that you've seen in real life.
50
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
Termites work 24 hours per day and they do not sleep.
57
You burn more calories sleeping than you do watching television.
348
Lack of water is the #1 trigger of daytime fatigue.
148