In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
Lack of water is the #1 trigger of daytime fatigue.
148
People who sleep late have more mental stamina and can outperform early risers.
33
47% of people have a nightmare at least once a month.
186
Termites work 24 hours per day and they do not sleep.
57
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33