Termites work 24 hours per day and they do not sleep.
57
The strangers in your dreams are actually people that you've seen in real life.
50
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
People who sleep late have more mental stamina and can outperform early risers.
33
47% of people have a nightmare at least once a month.
186