Sea otters hold hands while sleeping so they don’t drift away from each other.
104
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
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
Those who get out of bed by 7am are more likely to be thinner and happier.
20
47% of people have a nightmare at least once a month.
186