Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
Dieters who sleep more take off more fat that those who sleep less.
159
You burn more calories sleeping than you do watching television.
348
Termites work 24 hours per day and they do not sleep.
57
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
You forget 90% of your dreams.
256