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Book Description paperback. Condition: New. Language:Chinese.Paperback. Pub Date: 2019-09-01 Pages: 244 Publisher: Machinery Industry Press a person more than you sleep well. sleep is a serious problem. Lack of sleep increases diabetes. heart disease and obesity. sleep less mortality rate is much higher than people who sleep enough. just sleep well at night for several days. the possibility of the disease on his body . Seller Inventory # NN007455