Bats sleep 18-20 hours per day.
5
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
Dieters who sleep more take off more fat that those who sleep less.
159
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
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
If you hold farts in during the day, they'll just come out when you sleep.
16