{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T05:10:22Z","timestamp":1791263422321,"version":"4.1.0"},"reference-count":40,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2022,2,27]],"date-time":"2022-02-27T00:00:00Z","timestamp":1645920000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100005416","name":"Norges Forskningsr\u00e5d","doi-asserted-by":"publisher","award":["239985"],"award-info":[{"award-number":["239985"]}],"id":[{"id":"10.13039\/501100005416","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Sleep Research"],"published-print":{"date-parts":[[2022,10]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p>Using data from 1721 participants in a community\u2010based randomized control trial of digital cognitive behavioural therapy for insomnia compared with patient education, we employed linear mixed modelling analyses to examine whether chronotype moderated the benefits of digital cognitive behavioural therapy for insomnia on self\u2010reported levels of insomnia severity, fatigue and psychological distress. Baseline self\u2010ratings on the reduced version of the Horne\u2013\u00d6stberg Morningness\u2013Eveningness Questionnaire were used to categorize the sample into three chronotypes: morning type (<jats:italic>n<\/jats:italic>\u00a0=\u00a0345; 20%); intermediate type (<jats:italic>n<\/jats:italic>\u00a0=\u00a0843; 49%); and evening type (<jats:italic>n<\/jats:italic>\u00a0=\u00a0524; 30%). Insomnia Severity Index, Chalder Fatigue Questionnaire, and Hospital Anxiety and Depression Scale were assessed pre\u2010 and post\u2010intervention (9\u2005weeks). For individuals with self\u2010reported morning or intermediate chronotypes, digital cognitive behavioural therapy for insomnia was superior to patient education on all ratings (Insomnia Severity Index, Chalder Fatigue Questionnaire, and Hospital Anxiety and Depression Scale) at follow\u2010up (<jats:italic>p<\/jats:italic>\u2010values\u00a0\u2264\u00a00.05). For individuals with self\u2010reported evening chronotype, digital cognitive behavioural therapy for insomnia was superior to patient education for Insomnia Severity Index and Chalder Fatigue Questionnaire, but not on the Hospital Anxiety and Depression Scale (<jats:italic>p<\/jats:italic>\u00a0=\u00a00.139). There were significant differences in the treatment effects between the three chronotypes on the Insomnia Severity Index (<jats:italic>p<\/jats:italic>\u00a0=\u00a00.023) estimated difference between evening and morning type of \u22121.70, 95% confidence interval: \u22122.96 to \u22120.45, <jats:italic>p<\/jats:italic>\u00a0=\u00a00.008, and estimated difference between evening and intermediate type \u22121.53, 95% confidence interval: \u22123.04 to \u22120.03, <jats:italic>p<\/jats:italic>\u00a0=\u00a00.046. There were no significant differences in the treatment effects between the three chronotypes on the Chalder Fatigue Questionnaire (<jats:italic>p<\/jats:italic>\u00a0=\u00a00.488) or the Hospital Anxiety and Depression Scale (<jats:italic>p<\/jats:italic>\u00a0=\u00a00.536). We conclude that self\u2010reported chronotype moderates the effects of digital cognitive behavioural therapy for insomnia on insomnia severity, but not on psychological distress or fatigue.<\/jats:p>","DOI":"10.1111\/jsr.13572","type":"journal-article","created":{"date-parts":[[2022,2,28]],"date-time":"2022-02-28T03:50:02Z","timestamp":1646020202000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Digital cognitive behaviour therapy for insomnia (dCBT\u2010I): Chronotype moderation on intervention outcomes"],"prefix":"10.1111","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7672-8557","authenticated-orcid":false,"given":"Patrick","family":"Faaland","sequence":"first","affiliation":[{"name":"Department of Mental Health Norwegian University of Science and Technology  Trondheim Norway"},{"name":"St Olavs University Hospital, \u00d8stmarka  Trondheim 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Technology  Trondheim Norway"},{"name":"St Olavs University Hospital, \u00d8stmarka  Trondheim Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7624-5213","authenticated-orcid":false,"given":"Lee M.","family":"Ritterband","sequence":"additional","affiliation":[{"name":"Center for Behavioral Health and Technology Department of Psychiatry and Neurobehavioral Sciences University of Virginia  Charlottesville Virginia USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8609-0005","authenticated-orcid":false,"given":"Allison G.","family":"Harvey","sequence":"additional","affiliation":[{"name":"Department of Psychology University of California  Berkeley California USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5853-6674","authenticated-orcid":false,"given":"Tore 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