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SCIENCE STUDY

Why mass transit makes us tired

作者:BY JOE WILLETTS
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为什么在公共交通上会昏昏欲睡?词数 340 建议阅读时间 7分钟 测试见 IV版

If you’ve ever ridden public transport, you’ve probably heard snoring (打鼾) and looked up to find someone sleeping in the seat across from you. Maybe this even happens to you! You might think you need more coffee, but it won’t help much.
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