A strange thing happens to nearly everybody at night. They turn off the lights,pull up the covers and close their eyes. Six or seven sleeping hours later,they wake up again.Strange,isn’t it?Sleep puzzles scientists. Scientists and doctors would rather talk about why one can’t fall asleep. They are not sure what causes sleep.
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机译:Associations between self-reported sleep duration and sleeping disorder with concentrations of fasting and 2-h glucose, insulin, and glycosylated hemoglobin among adults without diagnosed diabetes (在未诊断糖尿病的成年人中自我报告的睡眠时间、睡眠障碍与空腹及餐后2小时血糖、胰岛素以及糖化血红蛋白浓度之间的关系)