In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
You burn more calories sleeping than you do watching television.
348
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
You forget 90% of your dreams.
256
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
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