Sea otters hold hands while sleeping so they don’t drift away from each other.
104
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11
Lack of water is the #1 trigger of daytime fatigue.
148
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
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
The strangers in your dreams are actually people that you've seen in real life.
50