{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,20]],"date-time":"2026-05-20T17:03:08Z","timestamp":1779296588646,"version":"3.51.4"},"reference-count":39,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2025,4,22]],"date-time":"2025-04-22T00:00:00Z","timestamp":1745280000000},"content-version":"vor","delay-in-days":21,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int J Geriat Psychiatry"],"published-print":{"date-parts":[[2025,4]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>This study examined sleep quality and potential psychological symptoms in primary caregivers of patients with varying dementia severity, considering the presence or absence of significant Behavioral and Psychological Symptoms of Dementia (BPSD).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A total of 280 dementia patients (130 with BPSD, 150 without) and their caregivers were included. Patients with Clinical Dementia Rating scores from 0.5 to 2 were assessed. Caregivers\u2019 psychological symptoms, sleep quality, and burden were evaluated using the Symptom Checklist\u201090\u2010Revised, Pittsburgh Sleep Quality Index, and Caregiver Burden Inventory.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Caregivers of patients with BPSD reported significantly greater psychological distress, burden, and poorer sleep quality than those caring for patients without BPSD. Their distress spanned multiple symptom dimensions, including depression and anxiety. Somatization and phobic anxiety were also more pronounced in caregivers of mild and moderate dementia with BPSD. Among caregivers of patients with BPSD, those of individuals with moderate dementia experienced the highest distress, burden, and poorest sleep quality compared to those with very mild dementia.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>BPSD is a major contributor to greater caregiver distress, sleep disturbances, and burden, regardless of dementia severity, or duration alone. These findings highlight the need for targeted interventions to manage BPSD, which may help alleviate caregiver psychological distress and improve sleep quality.<\/jats:p><\/jats:sec>","DOI":"10.1002\/gps.70080","type":"journal-article","created":{"date-parts":[[2025,4,22]],"date-time":"2025-04-22T13:29:20Z","timestamp":1745328560000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["The Impact of Behavioral and Psychological Symptoms of Dementia on Mental Health, Sleep Quality, and Caregiver\u2019s Burden"],"prefix":"10.1002","volume":"40","author":[{"given":"I\u2010Wen","family":"Chen","sequence":"first","affiliation":[{"name":"Department of Neurology Wan Fang Hospital Taipei Medical University  Taipei Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jia\u2010Ying","family":"Sung","sequence":"additional","affiliation":[{"name":"Department of Neurology Wan Fang Hospital Taipei Medical University  Taipei Taiwan"},{"name":"Department of Neurology School of Medicine College of Medicine Taipei Medical University  Taipei Taiwan"},{"name":"TMU Neuroscience Research Center Taipei Medical University  Taipei Taiwan"},{"name":"Taipei Neuroscience Institute Taipei Medical University  Taipei Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1898-7627","authenticated-orcid":false,"given":"Wei\u2010Han","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Psychology Kaohsiung Medical University and Department of Medical Research Kaohsiung Medical University Hospital  Kaohsiung Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2025,4,22]]},"reference":[{"key":"e_1_2_12_2_1","volume-title":"Fact Sheets of Dementia","author":"World Health Organization","year":"2023"},{"key":"e_1_2_12_3_1","unstructured":"Ministry of Health and Welfare Taiwan Results of the 2023 National Community Dementia Epidemiological Survey: [Internet] [cited 2025 February 09] https:\/\/www.mohw.gov.tw\/cp\u201016\u201078102\u20101.html."},{"key":"e_1_2_12_4_1","doi-asserted-by":"publisher","DOI":"10.1177\/0898264306289620"},{"key":"e_1_2_12_5_1","doi-asserted-by":"publisher","DOI":"10.1093\/geronj\/39.2.230"},{"issue":"1","key":"e_1_2_12_6_1","first-page":"92","article-title":"Promoting the Policy Framework for Dementia Prevention and Care: Constructing and Improving the Dementia Care System","volume":"7","author":"Xue R. 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