People who sleep less than 7 hours a night tend to have a higher body mass index than people who sleep more, according to data gathered by the US National Health and Nutrition Examination Survey.
Methods: The plasma glucose, lipid-profile, blood pressure and body mass index were measured for 532 aged men and women which receiving physical examination in our hospital.
方法：检测532名血糖、血脂、血压和体重指数，并对结果进行统计分析。
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The results of technical examination show that the technique of the production is reliable, functions are stable and the qualified rate of the mass production can be great than 70 %.