Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
Termites work 24 hours per day and they do not sleep.
57
A new baby usually deprives each of it's parents around 350-400 hours of sleep in the first year. That is one entire nights sleep per week, per parent.
194
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
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
People who sleep late have more mental stamina and can outperform early risers.
33