You burn more calories sleeping than you do watching television.
348
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
If you hold farts in during the day, they'll just come out when you sleep.
16
Lack of water is the #1 trigger of daytime fatigue.
148
The average cat sleeps about 2/3 of the day.
203
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