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
Source link : https://www.independent.co.uk/life-style/health-and-families/how-much-sleep-need-adult-eight-hours-b3064204.html
Author : Derk-Jan Dijk and Anne Skeldon
Publish date : 2026-10-09 13:36:00
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The eight-hour sleep rule is outdated. Here’s how much you really need
By IntelliNews