{"id":9527,"date":"2024-07-15T09:00:42","date_gmt":"2024-07-15T09:00:42","guid":{"rendered":"https:\/\/medexperts.pro\/?p=9527"},"modified":"2024-07-15T09:27:33","modified_gmt":"2024-07-15T09:27:33","slug":"how-sleep-affects-your-risk-of-dementia","status":"publish","type":"post","link":"http:\/\/medexperts.pro\/?p=9527","title":{"rendered":"How Sleep Affects Your Risk of Dementia"},"content":{"rendered":"<div><\/div>\n<p id=\"article-summary\" class=\"css-79rysd e1wiw3jv0\">For older adults, too much or too little sleep has been tied to cognitive issues.<\/p>\n<section class=\"meteredContent css-1r7ky0e\">\n<div class=\"css-s99gbd StoryBodyCompanionColumn\">\n<div class=\"css-53u6y8\">\n<p class=\"css-at9mc1 evys1bk0\">Getting too little sleep later in life is associated with an increased risk for Alzheimer\u2019s disease. But paradoxically, so is getting too much sleep.<\/p>\n<p class=\"css-at9mc1 evys1bk0\">While scientists are confident that a connection between sleep and dementia exists, the nature of that connection is complicated. It could be that poor sleep triggers changes in the brain that cause dementia. Or people\u2019s sleep might be disrupted because of an underlying health issue that also<strong class=\"css-8qgvsz ebyp5n10\"> <\/strong>affects brain health. And changes in sleep patterns can be an early sign of dementia itself.<\/p>\n<p class=\"css-at9mc1 evys1bk0\">Here\u2019s how experts think about these various connections and how to gauge your risk based on your own sleep habits.<\/p>\n<h2 class=\"css-1u37br4 eoo0vm40\" id=\"link-87d9bc1\">Too Little Sleep<\/h2>\n<p class=\"css-at9mc1 evys1bk0\">Sleep acts like a <a class=\"css-yywogo\" href=\"https:\/\/www.nytimes.com\/2014\/01\/12\/opinion\/sunday\/goodnight-sleep-clean.html\" title>nightly shower for the brain<\/a>, washing away the cellular waste that accumulates during the day. During this process, the fluid that surrounds brain cells flushes out molecular garbage and transfers it into the bloodstream, where it\u2019s then filtered by the liver and kidneys and expelled from the body.<\/p>\n<\/div>\n<\/div>\n<div><\/div>\n<div class=\"css-s99gbd StoryBodyCompanionColumn\">\n<div class=\"css-53u6y8\">\n<p class=\"css-at9mc1 evys1bk0\">That trash includes the protein amyloid, which is thought to play a key role in Alzheimer\u2019s disease. Everyone\u2019s brain produces amyloid during the day, but problems can arise when the protein accumulates into sticky clumps, called plaques. The longer someone is awake, the <a class=\"css-yywogo\" href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC4351409\/\" title rel=\"noopener noreferrer\" target=\"_blank\">more amyloid builds up<\/a> and the less time the brain has to remove it.<\/p>\n<p class=\"css-at9mc1 evys1bk0\">Scientists don\u2019t know whether regularly getting too little sleep \u2014 typically considered six hours or less a night \u2014 is enough to trigger the accumulation of amyloid on its own. But <a class=\"css-yywogo\" href=\"https:\/\/jamanetwork.com\/journals\/jamaneurology\/fullarticle\/2783664\" title rel=\"noopener noreferrer\" target=\"_blank\">research<\/a> has found that among adults aged 65 to 85 who already have <a class=\"css-yywogo\" href=\"https:\/\/www.nytimes.com\/2024\/03\/04\/health\/alzheimers-amyloid-diagnosis.html\" title>plaques in their brains<\/a>, the less sleep they got, the more amyloid was present and the worse their cognition.<\/p>\n<div class=\"css-1336jj\">\n<div class=\"css-121kum4\">\n<div class=\"css-171d1bw\"><\/div>\n<div class=\"css-asuuk5\">\n<div class=\"css-7axq9l\" data-testid=\"optimistic-truncator-noscript\">\n<div data-testid=\"optimistic-truncator-noscript-message\" class=\"css-6yo1no\">\n<p class=\"css-3kpklk\">We are having trouble retrieving the article content.<\/p>\n<p class=\"css-3kpklk\">Please enable JavaScript in your browser settings.<\/p>\n<\/div>\n<\/div>\n<div class=\"css-1dv1kvn\" id=\"optimistic-truncator-a11y\">\n<hr \/>\n<p>Thank you for your patience while we verify access. If you are in Reader mode please exit and\u00a0<a href=\"https:\/\/myaccount.nytimes.com\/auth\/login?response_type=cookie&amp;client_id=vi&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2024%2F07%2F15%2Fwell%2Fmind%2Fsleep-dementia.html&amp;asset=opttrunc\">log into<\/a>\u00a0your Times account, or\u00a0<a href=\"https:\/\/www.nytimes.com\/subscription?campaignId=89WYR&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2024%2F07%2F15%2Fwell%2Fmind%2Fsleep-dementia.html\">subscribe<\/a>\u00a0for all of The Times.<\/p>\n<hr \/>\n<\/div>\n<div class=\"css-1g71tqy\">\n<div data-testid=\"optimistic-truncator-message\" class=\"css-6yo1no\">\n<p class=\"css-3kpklk\">Thank you for your patience while we verify access.<\/p>\n<p class=\"css-3kpklk\">Already a subscriber?\u00a0<a data-testid=\"log-in-link\" class=\"css-z5ryv4\" href=\"https:\/\/myaccount.nytimes.com\/auth\/login?response_type=cookie&amp;client_id=vi&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2024%2F07%2F15%2Fwell%2Fmind%2Fsleep-dementia.html&amp;asset=opttrunc\">Log in<\/a>.<\/p>\n<p class=\"css-3kpklk\">Want all of The Times?\u00a0<a data-testid=\"subscribe-link\" class=\"css-z5ryv4\" href=\"https:\/\/www.nytimes.com\/subscription?campaignId=89WYR&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2024%2F07%2F15%2Fwell%2Fmind%2Fsleep-dementia.html\">Subscribe<\/a>.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>For older adults, too much or too little sleep has been tied to cognitive issues.Getting too little sleep later in life is associated with an increased risk for Alzheimer\u2019s disease. But paradoxically, so is getting too much sleep.While scientists are confident that a connection between sleep and dementia exists, the nature of that connection is complicated. It could be that poor sleep triggers changes in the brain that cause dementia. Or people\u2019s sleep might be disrupted because of an underlying health issue that also affects brain health. And changes in sleep patterns can be an early sign of dementia itself.Here\u2019s how experts think about these various connections and how to gauge your risk based on your own sleep habits.Too Little SleepSleep acts like a nightly shower for the brain, washing away the cellular waste that accumulates during the day. During this process, the fluid that surrounds brain cells flushes out molecular garbage and transfers it into the bloodstream, where it\u2019s then filtered by the liver and kidneys and expelled from the body.That trash includes the protein amyloid, which is thought to play a key role in Alzheimer\u2019s disease. Everyone\u2019s brain produces amyloid during the day, but problems can arise when the protein accumulates into sticky clumps, called plaques. The longer someone is awake, the more amyloid builds up and the less time the brain has to remove it.Scientists don\u2019t know whether regularly getting too little sleep \u2014 typically considered six hours or less a night \u2014 is enough to trigger the accumulation of amyloid on its own. But research has found that among adults aged 65 to 85 who already have plaques in their brains, the less sleep they got, the more amyloid was present and the worse their cognition.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and\u00a0log into\u00a0your Times account, or\u00a0subscribe\u00a0for all of The Times.Thank you for your patience while we verify access.Already a subscriber?\u00a0Log in.Want all of The Times?\u00a0Subscribe.<\/p>\n","protected":false},"author":1,"featured_media":9529,"comment_status":"close","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-9527","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lifestyle"],"_links":{"self":[{"href":"http:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/posts\/9527","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/medexperts.pro\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9527"}],"version-history":[{"count":2,"href":"http:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/posts\/9527\/revisions"}],"predecessor-version":[{"id":9530,"href":"http:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/posts\/9527\/revisions\/9530"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/medexperts.pro\/index.php?rest_route=\/wp\/v2\/media\/9529"}],"wp:attachment":[{"href":"http:\/\/medexperts.pro\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/medexperts.pro\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9527"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/medexperts.pro\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}