Termites work 24 hours per day and they do not sleep.
57
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
People who sleep late have more mental stamina and can outperform early risers.
33
Bats sleep 18-20 hours per day.
5
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34