What is it about?

This study looked at how the amount of sleep people get can affect their brain health. Researchers studied middle-aged adults without stroke or dementia to see if their sleep habits were related to brain problems. They found that both too little and too much sleep were linked to issues like white matter changes in the brain.

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Why is it important?

Understanding how sleep impacts brain health is crucial for middle-aged adults. The brain changes seen in this study can happen years before serious conditions like stroke or dementia. By learning more about how sleep affects the brain, we can find ways to improve brain health and prevent future problems. Key Takeaways: • Short and long sleep durations are associated with changes in the brain's white matter. • These brain changes can occur before the onset of conditions like stroke and dementia. • Studying sleep habits can help identify ways to protect brain health in middle age. • Optimal sleep duration (7-9 hours) may be important for maintaining a healthy brain. • More research is needed to understand the long-term effects of sleep on brain health.

Read the Original

This page is a summary of: Suboptimal Sleep Duration Is Associated With Poorer Neuroimaging Brain Health Profiles in Middle‐Aged Individuals Without Stroke or Dementia, Journal of the American Heart Association, January 2024, Wolters Kluwer Health,
DOI: 10.1161/jaha.123.031514.
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