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Study Links REM Sleep Apnea to Brain Changes, Memory Loss

Summary by OR Today
University of California, Irvine neurobiologists have found a critical link between obstructive sleep apnea during the rapid-eye-movement stage of sleep and early signs of brain changes associated with cognitive decline. Their study suggests that low oxygen levels – known as hypoxemia – during REM sleep may contribute to injury in brain regions vital to memory, even in older adults without cognitive impairment. Obstructive sleep apnea is when th…
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OR Today broke the news in on Friday, August 1, 2025.
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