If you hold farts in during the day, they'll just come out when you sleep.
16
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
You forget 90% of your dreams.
256
Cows can sleep standing up, but they can only dream lying down.
745