Lack of water is the #1 trigger of daytime fatigue.
148
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
People who sleep late have more mental stamina and can outperform early risers.
33
Termites work 24 hours per day and they do not sleep.
57