Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Honeybees never sleep.
276
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
The strangers in your dreams are actually people that you've seen in real life.
50
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
Those who get out of bed by 7am are more likely to be thinner and happier.
20