But after using the program, she began to sleep for at least one four-hour stretch a night.

但是在使用这个项目之后，她开始一晚至少能睡上一个连续的4小时。

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I sleep for only one hour every day.

我每天只睡一小时！

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Another study suggested that getting one extra hour of sleep each night would do more for your daily happiness than getting a $60,000 raise.

又有一项研究认为，每晚多睡一小时比获得6万美元加薪带来的日常快乐都多。

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For example, you might consider a limit of one or two hours a day and, for a better night's sleep, no screen time in the hour before bed.

CNN: Fitness for kids: Getting children off the couch