People in early middle age who have poor sleep quality, including having difficulty falling or staying asleep, have more signs of poor brain health in late middle age, according to a study published in the October 23, 2024, online issue of Neurology, the medical journal of the American Academy of Neurology.
American Academy of Neurology Oct 23 2024 People in early middle age who have poor sleep quality, including having difficulty falling or staying asleep, have more signs of poor brain health in late middle age, according to a study published in the October 23, 2024, online issue of Neurology ®, the medical journal of the American Academy of Neurology . The study does not prove that poor sleep accelerates brain aging.
Researchers reviewed participants' responses to questions such as, "Do you usually have trouble falling asleep?" "Do you usually wake up several times at night?" and "Do you usually wake up far too early?" They recorded the number of six poor sleep characteristics for each participant: short sleep duration, bad sleep quality, difficulty falling asleep, difficulty staying asleep, early morning awakening and daytime sleepiness.
Researchers examined participants' brain scans where the level of brain shrinkage corresponds to a specific age. Researchers used machine learning to determine the brain age for each participant. Of the sleep characteristics, bad sleep quality, difficulty falling asleep, difficulty staying asleep and early morning awakening were linked to greater brain age, especially when people consistently had these poor sleep characteristics over five years.
Brain Sleep Dementia Neurology Research
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