People who sleep late have more mental stamina and can outperform early risers.
33
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
Termites work 24 hours per day and they do not sleep.
57
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34