Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
People who sleep late have more mental stamina and can outperform early risers.
33
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
Lack of water is the #1 trigger of daytime fatigue.
148
Bats sleep 18-20 hours per day.
5
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23