{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,28]],"date-time":"2026-01-28T04:35:05Z","timestamp":1769574905016,"version":"3.49.0"},"reference-count":37,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2022,9,14]],"date-time":"2022-09-14T00:00:00Z","timestamp":1663113600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Hum. Neurosci."],"abstract":"<jats:p><jats:bold>Introduction:<\/jats:bold> Few studies are available on the prevalence and sleep-related factors of dementia with Lewy bodies (DLB) in Chinese older adults, aiming to explore the associations between sleep characteristics and DLB.<\/jats:p><jats:p><jats:bold>Methods:<\/jats:bold> A cross-sectional study with 7,528 individuals aged \u226565 years in 106 communities in Northern China was conducted from April 2019 to January 2020. Questionaries (including demographic characteristics, comorbidities, lifestyles, and sleep characteristics) were administered, and neuropsychological assessments and physical examination were conducted in phase I; screening for probable DLB was done in phase II. Logistic regressions were used to assess associations.<\/jats:p><jats:p><jats:bold>Results:<\/jats:bold> A total of 919 (12.2%, 919\/7,528) participants had dementia, and 101 (1.3%, 101\/7,528) participants were diagnosed with DLB. The prevalence of dementia and DLB were slightly higher or equal in women, increased with age, and roughly decreased with nighttime sleep duration. Of the 101 participants, all of them (100.0%) had cognitive impairment, 46 (44.54%) displayed fluctuating cognition, 72 (71.29%) of them showed visual hallucination, 22 (21.78%) individuals reported RBD, and 27.71% showed Parkinsonism. Sleeping for &amp;lt;5 h (adjusted OR = 1.795, 95%CI: 1.055\u20133.054, <jats:italic>p<\/jats:italic> &amp;lt; 0.05) or having hypersomnolence (adjusted OR = 31.213, 95% CI: 17.618\u201355.301, <jats:italic>p<\/jats:italic> &amp;lt; 0.001) were significantly associated with the occurrence of DLB. Sleep duration of &amp;lt;5 h or &amp;gt;8 h had combined diagnostic value for DLB (AUC = 0.783, 95%CI: 0.734\u20130.831, <jats:italic>p<\/jats:italic> &amp;lt; 0.001).<\/jats:p><jats:p><jats:bold>Conclusions:<\/jats:bold> The current prevalence of DLB is 1.3% in Northern China. Short or long nighttime sleep duration is independently associated with the occurrence of dementia and DLB.<\/jats:p>","DOI":"10.3389\/fnhum.2022.976753","type":"journal-article","created":{"date-parts":[[2022,9,14]],"date-time":"2022-09-14T15:48:12Z","timestamp":1663170492000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":8,"title":["Association between prevalence rate of dementia with Lewy bodies and sleep characteristics in Chinese old adults"],"prefix":"10.3389","volume":"16","author":[{"given":"Jinghuan","family":"Gan","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shuai","family":"Liu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fei","family":"Wang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhihong","family":"Shi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yang","family":"L\u00fc","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jianping","family":"Niu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xinling","family":"Meng","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pan","family":"Cai","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiao-Dan","family":"Wang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhichao","family":"Chen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Baozhi","family":"Gang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yong","family":"Ji","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1965","published-online":{"date-parts":[[2022,9,14]]},"reference":[{"key":"B1","volume-title":"Diagnostic and Statistical Manual of Mental Disorders (DSM-IV-TR)","author":"American Psychiatric Association","year":"1994"},{"key":"B2","doi-asserted-by":"publisher","first-page":"171","DOI":"10.1016\/j.smrv.2018.08.002","article-title":"Low-grade inflammation in the relationship between sleep disruption, dysfunctional adiposity and cognitive decline in aging","volume":"42","author":"Atienza","year":"2018","journal-title":"Sleep Med. 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