The strangers in your dreams are actually people that you've seen in real life.
50
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
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
Termites work 24 hours per day and they do not sleep.
57
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212