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![Why Seven Hours of Sleep Might Be Better Than Eight - WSJ](https://www.iarticlesnet.com/pub/img/site/s_46.jpeg)
Why Seven Hours of Sleep Might Be Better Than Eight - WSJ
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日期:2024-08-27
Several studies have found that seven hours a night is the best amount of sleep in order to function the next day—not eight, as was long believed. ... How much sleep do you really need? Experts generally recommend seven to nine hours a night for healthy a...看更多