The first part of the concern about a third of a lifetime of sleep time spent in sleep, sleep is the body recovery, integration, and solid memory of the important part, is an integral part of health. Fast-paced modern life, stress, well as nightlife, drinking bad habits will lead to sleep disorders. According to the World Health Organization survey, 27% had sleep problems. International Mental Health Organization, every year on March 21 as "World Sleep Day." science of sleep effectively improve sleep quality and more abundant energy to work is to modern life made new demands on people.
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