The strangers in your dreams are actually people that you've seen in real life.
50
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
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