One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
The strangers in your dreams are actually people that you've seen in real life.
50
47% of people have a nightmare at least once a month.
186
You burn more calories sleeping than you do watching television.
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