The average cat sleeps about 2/3 of the day.
203
You burn more calories sleeping than you do watching television.
348
The average person falls asleep in seven minutes.
115
People who sleep late have more mental stamina and can outperform early risers.
33
Bats sleep 18-20 hours per day.
5
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13