Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
The human brain is more active during sleep than during the day.
28
People who sleep late have more mental stamina and can outperform early risers.
33
If you hold farts in during the day, they'll just come out when you sleep.
16
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23