Poor sleep quality linked to faster brain aging, study finds

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Poor sleep quality linked to faster brain aging, study finds
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New research highlights how poor sleep quality accelerates brain aging, showing the effects on cognitive health and offering tips for better sleep.

New research published in Neurology shows that poor sleep quality is linked to signs of accelerated brain aging in middle age. The study found that people with multiple sleep issues—such as difficulty staying asleep or early morning awakening—had brain scans indicating an older brain age compared to those with better sleep quality.The study analyzed 589 participants, who were around 40 years old at the start, tracking their sleep quality over a span of 15 years.

Common sleep issues included short duration, low quality, and difficulty staying asleep.Experts note that premature brain aging can increase the risk of cognitive decline, memory problems, and neurodegenerative diseases like dementia. According to researchers, these findings highlight the importance of sleep for maintaining mental clarity and cognitive health as we age.

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