Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
You burn more calories sleeping than you do watching television.
348
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212