Honeybees never sleep.
276
The average cat sleeps about 2/3 of the day.
203
The human brain is more active during sleep than during the day.
28
Lack of water is the #1 trigger of daytime fatigue.
148
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
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Bats sleep 18-20 hours per day.
5