In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
People who sleep late have more mental stamina and can outperform early risers.
33
A new baby usually deprives each of it's parents around 350-400 hours of sleep in the first year. That is one entire nights sleep per week, per parent.
194
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
47% of people have a nightmare at least once a month.
186
You burn more calories sleeping than you do watching television.
348