Those who get out of bed by 7am are more likely to be thinner and happier.
20
The average person falls asleep in seven minutes.
115
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
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149