Honeybees never sleep.
276
Lack of water is the #1 trigger of daytime fatigue.
148
The average cat sleeps about 2/3 of the day.
203
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
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
You burn more calories sleeping than you do watching television.
348
Bats sleep 18-20 hours per day.
5