The 3 sleep behaviors linked to brain damage that can lead to dementia: study
A new study has found that certain sleep behaviors can increase the risk of developing dementia. The study, which used brain scans and questionnaire responses from over 23,000 adults, identified three key sleep behaviors linked to brain damage. These behaviors include sleeping outside the recommended seven-to-nine-hour range, taking frequent daytime naps, and experiencing sleeplessness.
- ▪Sleeping less than seven hours a night has been linked to a higher risk of dementia.
- ▪Frequent daytime napping and sleeplessness are also associated with a higher risk of dementia.
- ▪Those who experience sleeplessness have a 40% higher risk of mild cognitive impairment or dementia.
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Health The 3 sleep behaviors linked to brain damage that can lead to dementia: study By Rachel Sacks Published June 8, 2026, 10:24 a.m. ET See more of our coverage in your search results. Add The New York Post on Google Don’t sleep on a few troubling behaviors that could increase your risk of developing dementia. Known risk factors for dementia include age, high blood pressure, hearing loss, smoking, high cholesterol, genetics and sleep — and a new study has found that a few key behaviors related to how we rest up can impact our brain health. Published in the journal Alzheimer’s & Dementia, the research used brain scans and questionnaire responses from more than 23,000 middle-aged and older adults.
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