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
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
47% of people have a nightmare at least once a month.
186
Termites work 24 hours per day and they do not sleep.
57
Lack of water is the #1 trigger of daytime fatigue.
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