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
You burn more calories sleeping than you do watching television.
348
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Bats sleep 18-20 hours per day.
5