People who sleep late have more mental stamina and can outperform early risers.
33
You burn more calories sleeping than you do watching television.
348
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
Honeybees never sleep.
276
The average person falls asleep in seven minutes.
115