同时我注意到许多学生对此深信不疑——他们会每天工作16个小时，从不和同事结伴去喝喝酒、聚聚餐，睡眠也不足，工作从不间断，过着一种看似高效的生活，实则并不幸福。
I see some students take that to heart – they work 16 hours a day, never go to happy hour, don’t sleep enough, never take breaks, and lead very productive but unhappy lives.
医生，我最近睡眠不足，上课也很困倦，无法集中注意力。
Doctor, I haven't been able to get enough sleep lately, and I'm too tired to concentrate in class.
睡眠不足的学生出勤率较低，成绩也较差。
Students who don't get enough sleep have poorer attendance and lower grades.
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