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The Sleeping Pattern of Americans

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发表于 7-23-2014 12:29:42 | 显示全部楼层 |阅读模式
Sumathi Reddy, Sleep Experts Close in on the Optimal Night’s Sleep; Several studies have found that seven hours a night is the best amount of sleep to function the next day--not eight, as was long believed. Wall Street Journal, July 22, 2014.
online.wsj.com/articles/sleep-experts-close-in-on-the-optimal-nights-sleep-1405984970

My comment:
(a) I read the report, which seems to me is far from conclusive. So I do not recommend the text, which is all about the optimal hours of sleep. My thinking is it depends on individuals.
(b) However, do read the vignette whose heading is, “The Way We Sleep.”
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