A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
You burn more calories sleeping than you do watching television.
348
Bats sleep 18-20 hours per day.
5
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
44% of kids watch television before they go to sleep.
106
The average cat sleeps about 2/3 of the day.
203
If you hold farts in during the day, they'll just come out when you sleep.
16