Those who get out of bed by 7am are more likely to be thinner and happier.
20
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
You forget 90% of your dreams.
256
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
People who sleep late have more mental stamina and can outperform early risers.
33
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