The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
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 higher someone’s I.Q. the more likely they are to be sleep deprived.
29
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
If you hold farts in during the day, they'll just come out when you sleep.
16
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193