That might not seem surprising in this age of electric lights and round-the-clock activities, but co-author David Samson says this shift began long before we developed artificial lighting.
在这个有电灯和通宵工作的时代这也许并不令人惊讶。但是这份报告的共同作者大卫•萨姆森说,睡眠的这种变化早在我们发明人工照明之前就开始了。
That might not seem surprising in this age of electric lights and round-the-clock activities, but co-author David Samson says this shift began long before we developed artificial lighting.
在这个有电灯和通宵工作的时代这也许并不令人惊讶。但是这份报告的共同作者大卫•萨姆森说,睡眠的这种变化早在我们发明人工照明之前就开始了。
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