Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Honeybees never sleep.
276
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The human brain is more active during sleep than during the day.
28
The strangers in your dreams are actually people that you've seen in real life.
50
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193