In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
Dieters who sleep more take off more fat that those who sleep less.
159
Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
57
Bats sleep 18-20 hours per day.
5
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
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28