Those who get out of bed by 7am are more likely to be thinner and happier.
20
Dieters who sleep more take off more fat that those who sleep less.
159
44% of kids watch television before they go to sleep.
106
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
Sea otters hold hands while sleeping so they don’t drift away from each other.
104