The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
57
Bats sleep 18-20 hours per day.
5
People who sleep late have more mental stamina and can outperform early risers.
33