The eight-hour sleep rule is outdated, new study suggests. Here’s how much you really need
The idea dates back to the mid-19th century when the notion of eight hours of work, eight for recreation and eight for sleep first took hold
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The idea dates back to the mid-19th century when the notion of eight hours of work, eight for recreation and eight for sleep first took hold
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The idea dates back to the mid-19th century when the notion of eight hours of work, eight for recreation and eight for sleep first took hold
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