如果你想享受白天的时光，那就该改善晚上的睡眠质量了。

If you want to enjoy your daytime, it's time to improve your sleep during the night-time.

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大约40%的美国人在工作日晚上的睡眠时间不足7小时。

Some 40% of Americans get less than 7 hours of shut-eye on week nights.

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减少学生晚上的睡眠时间会直接影响他们白天在学校的表现。

Reducing the amount of sleep students get at night has a direct impact on their performance at school during the day.

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I'm having trouble sleeping at night.

我晚上的睡眠有问题。

I'm frustrated 实战 - SpeakingMax英语口语达人