In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
The human brain is more active during sleep than during the day.
28
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
The average person falls asleep in seven minutes.
115
Cows can sleep standing up, but they can only dream lying down.
745
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
The strangers in your dreams are actually people that you've seen in real life.
50
Sea otters hold hands while sleeping so they don’t drift away from each other.
104