周一，位于美国弗吉尼亚州诺福克市的东维吉尼亚医学院发布了这份研究。对1000名受试者的研究显示累计睡眠时间和体重指数刚好成反比，体重指数是一种以身高为基准来衡量体重的方法。
Monday's study from Eastern Virginia Medical School in Norfolk covered 1, 000 people and found that total sleep time decreased as body mass index — a measure of weight based on height — increased.
方法14名受试者分别参加肱二头肌和腰部脊竖肌等长运动负荷实验，取表面肌电信号进行FF T功率谱及其功率谱二维地形图分析。
Methods Static isometric loading of the biceps and low back muscle was performed in 14 subjects, using FFT power spectrum and its two dimensional mapping to analyze SEMG signals from these muscles.
方法健康受试者进餐或食用蔗糖时，同时服用大豆胚轴提取物，检测餐后血糖和糖耐量。
Methods The postprandial blood glucose and glucose tolerance were examined after healthy subjects had meal or sucrose with or without soybean hypocotyl extract.
应用推荐