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The Washington Post
washingtonpost.com
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New research suggests that there’s a sleep “sweet spot” between 6.4 and 7.8 hours a night.
In a new study, people who hit that amount had better functioning of the immune system as well as other organs, when measured on the molecular level. https://wapo.st/4nTA9JI
2026-05-27T02:00:08.072Z