Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
You burn more calories sleeping than you do watching television.
348
You forget 90% of your dreams.
256
The human brain is more active during sleep than during the day.
28
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
Termites work 24 hours per day and they do not sleep.
57