SCIENCE STUDY

Sleeping in can do more harm than good

作者：TEENS

周末补觉会让人长胖？

词数 384 建议阅读时间 6分钟测试见 IV版

The college entrance examination is just around the corner. Tasks and tests will keep many of you stay up late every night, and you may plan to make up for the lost sleep time on weekends. But is it useful?

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