In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
You forget 90% of your dreams.
256
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
The average cat sleeps about 2/3 of the day.
203
The average person falls asleep in seven minutes.
115
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Cows can sleep standing up, but they can only dream lying down.
745