You burn more calories sleeping than you do watching television.
348
Cows can sleep standing up, but they can only dream lying down.
745
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
Honeybees never sleep.
276
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Lack of water is the #1 trigger of daytime fatigue.
148