Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
The strangers in your dreams are actually people that you've seen in real life.
50
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
57
The average person falls asleep in seven minutes.
115
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23