Bats sleep 18-20 hours per day.
5
People who sleep late have more mental stamina and can outperform early risers.
33
The strangers in your dreams are actually people that you've seen in real life.
50
The average cat sleeps about 2/3 of the day.
203
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
44% of kids watch television before they go to sleep.
106
You burn more calories sleeping than you do watching television.
348
Sea otters hold hands while sleeping so they don’t drift away from each other.
104