You burn more calories sleeping than you do watching television.
348
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
If you hold farts in during the day, they'll just come out when you sleep.
16
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Termites work 24 hours per day and they do not sleep.
57
The human brain is more active during sleep than during the day.
28
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23