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#Karolinska Institute

Articles tagged #Karolinska Institute on Vitalspell.

Woman sleeping in bed

The Sleep Sweet Spot: 6 to 8 Hours Slows Biological Ageing Across 17 Organs

A study of half a million UK Biobank participants finds that both short and long sleep are tied to accelerated biological ageing across nearly every organ system — and the sweet spot may be narrower than you think.

Margot Ellis7 min read