Bats sleep 18-20 hours per day.
5
Cows can sleep standing up, but they can only dream lying down.
745
The human brain is more active during sleep than during the day.
28
The average cat sleeps about 2/3 of the day.
203
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
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
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6