"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
People who sleep late have more mental stamina and can outperform early risers.
33
Bats sleep 18-20 hours per day.
5
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240