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Comment on "Sleep issues still ignored in China: Report" (China Daily, March 20)

Before reading the article, I didn't know that March 21 is observed as World Sleep Day. What the 2013 China Sleep Quality Index, issued by the Chinese Medical Doctors Association, says is not strange to me. Just as the report says, many Chinese people have sleep problems, some of which are even very serious. Common people, however, fail to pay necessary attention to them because of several reasons.