A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Lack of water is the #1 trigger of daytime fatigue.
148
44% of kids watch television before they go to sleep.
106
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
If you hold farts in during the day, they'll just come out when you sleep.
16
The average cat sleeps about 2/3 of the day.
203
The average person falls asleep in seven minutes.
115