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Ceaseless technology. A punishing workweek. That to-do list that keeps multiplying. It is no wonder at least 50 million Americans self-report an insufficient amount of sleep, according to the Centers for Disease Control and Prevention. But will sleeping more on the weekend make up for hours of lost snoozing? One sleep expert, W. Christopher Winter, medical director of the Martha Jefferson Hospital Sleep Medicine Center in Charlottesville, Va., weighs in. 没完没了的技术，让人筋疲力尽的一周，不断增加的待办事项……难怪根据美国疾病控制与预防中心(Centers for Disease Control and Prevention)的数据，至少有5,000万美国人自我报告说睡眠不足。但是周末多睡一阵就能弥补失去的睡眠时间吗?睡眠专家、弗吉尼亚州夏洛茨维尔市(Charlottesville, Va.)玛莎·杰斐逊医院睡眠医学中心(the Martha Jefferson Hospital Sleep Medicine Center)的医学主任W•克里斯托弗•温特(W. Christopher Winter)参与了辩论。 Sleep Binge 狂睡 Getting eight hours of shut-eye each night is generally recommended, but many people don't. As the week rolls from Monday to Friday, they accumulate a sleep debt. Spending a few extra hours in bed on a Saturday morning, people assume, will help them 'catch up' on lost sleep. They're likely right. 'Nobody knows how long the horizon is, probably a few nights, but studies show that recovery sleep in the short term does work,' says Dr. Winters, a member of the American Academy of Sleep Medicine. 'But the all-nighters I pulled in my residency 15 years ago? That's gone.' | 
