{"id":219665,"date":"2025-08-08T13:40:21","date_gmt":"2025-08-08T18:40:21","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/08\/sleep-disruption-damages-blood-vessels-in-brain-and-may-increase-dementia-risk-study"},"modified":"2025-08-08T13:40:21","modified_gmt":"2025-08-08T18:40:21","slug":"sleep-disruption-damages-blood-vessels-in-brain-and-may-increase-dementia-risk-study","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/08\/sleep-disruption-damages-blood-vessels-in-brain-and-may-increase-dementia-risk-study","title":{"rendered":"Sleep disruption damages blood vessels in brain and may increase dementia risk: study"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/sleep-disruption-damages-blood-vessels-in-brain-and-may-increase-dementia-risk-study2.jpg\"><\/a><\/p>\n<p>A new study reveals that fragmented sleep causes cellular damage to the brain\u2019s blood vessels, providing further evidence to suggest that sleep disruption predisposes the brain to dementia.<\/p>\n<p>The research, published in the journal Brain, is the first to offer cellular and molecular evidence that sleep disruption directly causes damage to brain blood vessels and blood flow.<\/p>\n<p>\u201cWe found that individuals who had more fragmented sleep, such as sleeping restlessly and waking up a lot at night, had a change in their balance of pericytes\u2014a brain blood vessel cell that plays an important role in regulating brain blood flow and the entry and exit of substances between the blood and the brain,\u201d said Andrew Lim, principal investigator of the study and a sleep neurologist and scientist at Sunnybrook Health Sciences Centre.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A new study reveals that fragmented sleep causes cellular damage to the brain\u2019s blood vessels, providing further evidence to suggest that sleep disruption predisposes the brain to dementia. The research, published in the journal Brain, is the first to offer cellular and molecular evidence that sleep disruption directly causes damage to brain blood vessels and [\u2026]<\/p>\n","protected":false},"author":707,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,1495,47],"tags":[],"class_list":["post-219665","post","type-post","status-publish","format-standard","hentry","category-biotech-medical","category-health","category-neuroscience"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/219665","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/707"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=219665"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/219665\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=219665"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=219665"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=219665"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}