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Sleeping Soundly in Your Forties? Study Reveals Link to Cognitive Health in Middle Age


Feb 13, 2024
The potential for memory problems increases with intermittent dreams in your thirties and forties

Researchers from the University of California have found that people in their thirties and forties who experience sleep problems may have issues with memory and thinking as early as ten years later. The quality of sleep, rather than the quantity, is what seems to be the key factor for cognitive health in middle age, according to Assistant Professor Yue Leng. The signs of Alzheimer’s disease begin to accumulate in the brain several decades before symptoms begin, emphasizing the importance of sleep for brain health.

A new study published in the journal Neurology has shed light on the impact of interrupted sleep on cognitive performance. Out of the 526 participants in the study with an average age of 40 years, researchers took into account both the duration and quality of their sleep, as well as subsequent memory and thinking tasks. The findings revealed that those who had the most interrupted sleep were indeed more likely to perform poorly on cognitive tasks a decade later. However, it is important to note that this study could not draw proper conclusions about differences between genders or ethnic groups due to limitations brought about by a small number of subjects.

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