Poor sleep in older adults compromises memory and immune health

Sleep disorders affect cognitive function, memory, and quality of life in elderly populations, with potential neurological complications including Parkinson's and dementia-related conditions.

For generations, restless nights and foggy mornings have been quietly accepted as the natural toll of growing old — but geriatric medicine is challenging that resignation. Across Brazil and beyond, between 40 and 60 percent of elderly people live with sleep disorders that erode memory, weaken immunity, and strain the heart, yet most never seek evaluation. The deeper question these findings raise is not merely clinical: it asks what we owe to the final chapters of a human life, and whether we have confused the avoidable with the inevitable.

Poor sleep in older adults compromises memory and immune health

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