In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
You forget 90% of your dreams.
256
If you hold farts in during the day, they'll just come out when you sleep.
16
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
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
Termites work 24 hours per day and they do not sleep.
57
The human brain is more active during sleep than during the day.
28