[参考译文]你是否曾在开会时心不在焉,是否曾在电脑前猛然清醒,或曾在看电视节目时困倦打盹?成千上万的美国人都有过这种情况,这就值得关切了。华盛顿一家非赢利性研究组织——国家睡眠基金会最近一项调查显示,2/3的美国人夜间睡眠都达不到医生建议的时间。斯坦福大学医学院睡眠失调中心主任威廉· Did you ever absent when you were in a meeting, had you been sober in front of your computer, or had been sleepy while watching TV? Thousands of Americans have had this situation, which is a cause for concern. According to a recent survey by the National Sleep Foundation, a Washington-based non-profit research organization, two-thirds of Americans do not sleep at night at doctors’ recommended time. William Stanford University School of Medicine, Director of the Center for Sleep Disorders