44% of kids watch television before they go to sleep.
106
Honeybees never sleep.
276
You burn more calories sleeping than you do watching television.
348
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
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
The strangers in your dreams are actually people that you've seen in real life.
50