A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
47% of people have a nightmare at least once a month.
186
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
44% of kids watch television before they go to sleep.
106
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
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