Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11
Cows can sleep standing up, but they can only dream lying down.
745
"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
Those who get out of bed by 7am are more likely to be thinner and happier.
20
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34