{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,11]],"date-time":"2026-08-11T02:31:29Z","timestamp":1786415489487,"version":"build-2736575974"},"reference-count":30,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2026,11,1]],"date-time":"2026-11-01T00:00:00Z","timestamp":1793491200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,11,1]],"date-time":"2026-11-01T00:00:00Z","timestamp":1793491200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2026,11,1]],"date-time":"2026-11-01T00:00:00Z","timestamp":1793491200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-017"},{"start":{"date-parts":[[2026,11,1]],"date-time":"2026-11-01T00:00:00Z","timestamp":1793491200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2026,11,1]],"date-time":"2026-11-01T00:00:00Z","timestamp":1793491200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-012"},{"start":{"date-parts":[[2026,11,1]],"date-time":"2026-11-01T00:00:00Z","timestamp":1793491200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2026,11,1]],"date-time":"2026-11-01T00:00:00Z","timestamp":1793491200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-004"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Sleep Medicine"],"published-print":{"date-parts":[[2026,11]]},"DOI":"10.1016\/j.sleep.2026.109112","type":"journal-article","created":{"date-parts":[[2026,7,7]],"date-time":"2026-07-07T16:11:46Z","timestamp":1783440706000},"page":"109112","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":0,"special_numbering":"C","title":["Sleep-timing mismatch (MSFsc\u2013lights-off interval) and its association with polysomnographic sleep parameters in a clinical population under a fixed laboratory schedule"],"prefix":"10.1016","volume":"147","author":[{"given":"Kultida","family":"Wongprakarnsanti","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jarturong","family":"Siritienthong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tantawan","family":"Awirutworakul","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chakrit","family":"Sukying","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pattarabhon","family":"Wisajun","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.sleep.2026.109112_bib1","doi-asserted-by":"crossref","first-page":"579","DOI":"10.1101\/sqb.2007.72.064","article-title":"Sleep and circadian rhythms in humans","volume":"72","author":"Czeisler","year":"2007","journal-title":"Cold Spring Harbor Symp Quant Biol"},{"issue":"S2","key":"10.1016\/j.sleep.2026.109112_bib2","first-page":"112","article-title":"Contribution of the circadian pacemaker and the sleep homeostat to sleep propensity, structure, and performance","volume":"4","author":"Dijk","year":"1995","journal-title":"J Sleep Res"},{"issue":"4","key":"10.1016\/j.sleep.2026.109112_bib3","doi-asserted-by":"crossref","first-page":"326","DOI":"10.1177\/0748730405277983","article-title":"Entrainment of the human circadian system by light","volume":"20","author":"Duffy","year":"2005","journal-title":"J Biol Rhythms"},{"issue":"4","key":"10.1016\/j.sleep.2026.109112_bib4","doi-asserted-by":"crossref","first-page":"508","DOI":"10.1016\/j.cub.2016.12.041","article-title":"Circadian entrainment to the natural light-dark cycle across seasons and the weekend","volume":"27","author":"Stothard","year":"2017","journal-title":"Curr Biol"},{"issue":"1","key":"10.1016\/j.sleep.2026.109112_bib5","doi-asserted-by":"crossref","DOI":"10.1111\/ejn.14255","article-title":"Circadian disruption: what do we actually mean?","volume":"51","author":"Vetter","year":"2020","journal-title":"Eur J Neurosci"},{"key":"10.1016\/j.sleep.2026.109112_bib6","doi-asserted-by":"crossref","DOI":"10.1016\/j.smrv.2026.102244","article-title":"Defining circadian health: conceptual framework and development of a circadian health index","volume":"86","author":"Coelho","year":"2026","journal-title":"Sleep Med Rev"},{"issue":"1","key":"10.1016\/j.sleep.2026.109112_bib7","doi-asserted-by":"crossref","first-page":"80","DOI":"10.1177\/0748730402239679","article-title":"Life between clocks: daily temporal patterns of human chronotypes","volume":"18","author":"Roenneberg","year":"2003","journal-title":"J Biol Rhythms"},{"issue":"6","key":"10.1016\/j.sleep.2026.109112_bib8","doi-asserted-by":"crossref","first-page":"429","DOI":"10.1016\/j.smrv.2007.07.005","article-title":"Epidemiology of the human circadian clock","volume":"11","author":"Roenneberg","year":"2007","journal-title":"Sleep Med Rev"},{"issue":"3","key":"10.1016\/j.sleep.2026.109112_bib9","doi-asserted-by":"crossref","first-page":"248","DOI":"10.1177\/0748730404264365","article-title":"Phase relationships between sleep\u2013wake cycle and underlying circadian rhythms in morningness\u2013eveningness","volume":"19","author":"Mongrain","year":"2004","journal-title":"J Biol Rhythms"},{"issue":"3","key":"10.1016\/j.sleep.2026.109112_bib10","doi-asserted-by":"crossref","first-page":"54","DOI":"10.3390\/biology8030054","article-title":"Chronotype and social jetlag: a (self-) critical review","volume":"8","author":"Roenneberg","year":"2019","journal-title":"Biology"},{"key":"10.1016\/j.sleep.2026.109112_bib11","first-page":"R1152","article-title":"Circadian temperature and melatonin rhythms, sleep, and neurobehavioral function in humans living on a 20-h day","volume":"277","author":"Wyatt","year":"1999","journal-title":"Am J Physiol"},{"issue":"5","key":"10.1016\/j.sleep.2026.109112_bib12","doi-asserted-by":"crossref","first-page":"449","DOI":"10.1177\/0748730415597520","article-title":"Comparing the morningness\u2013eveningness Questionnaire and Munich ChronoType questionnaire to the dim light melatonin onset","volume":"30","author":"Kantermann","year":"2015","journal-title":"J Biol Rhythms"},{"issue":"6","key":"10.1016\/j.sleep.2026.109112_bib13","doi-asserted-by":"crossref","first-page":"627","DOI":"10.1177\/074873049701200618","article-title":"Melatonin and the circadian regulation of sleep initiation, consolidation, structure, and the sleep EEG","volume":"12","author":"Dijk","year":"1997","journal-title":"J Biol Rhythms"},{"key":"10.1016\/j.sleep.2026.109112_bib14","series-title":"Principles and practice of sleep medicine","first-page":"353","article-title":"The human circadian timing system and sleep\u2013wake regulation","author":"Czeisler","year":"2017"},{"issue":"7","key":"10.1016\/j.sleep.2026.109112_bib15","doi-asserted-by":"crossref","first-page":"819","DOI":"10.1093\/sleep\/28.7.819","article-title":"Chronotype and sex effects on sleep architecture and quantitative sleep EEG in healthy young adults","volume":"28","author":"Mongrain","year":"2005","journal-title":"Sleep"},{"issue":"8","key":"10.1016\/j.sleep.2026.109112_bib16","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pone.0072877","article-title":"Sleep architecture when sleeping at an unusual circadian time and associations with insulin sensitivity","volume":"8","author":"Gonnissen","year":"2013","journal-title":"PLoS One"},{"issue":"11","key":"10.1016\/j.sleep.2026.109112_bib17","doi-asserted-by":"crossref","DOI":"10.1073\/pnas.0808180106","article-title":"Adverse metabolic and cardiovascular consequences of circadian misalignment","volume":"106","author":"Scheer","year":"2009","journal-title":"Proc Natl Acad Sci U S A"},{"issue":"5","key":"10.1016\/j.sleep.2026.109112_bib18","doi-asserted-by":"crossref","DOI":"10.1111\/jsr.13922","article-title":"Impact of sleep chronotype on in-laboratory polysomnography parameters","volume":"32","author":"Colelli","year":"2023","journal-title":"J Sleep Res"},{"issue":"1--2","key":"10.1016\/j.sleep.2026.109112_bib19","doi-asserted-by":"crossref","first-page":"497","DOI":"10.1080\/07420520500545979","article-title":"Social jetlag: misalignment of biological and social time","volume":"23","author":"Wittmann","year":"2006","journal-title":"Chronobiol Int"},{"issue":"10","key":"10.1016\/j.sleep.2026.109112_bib20","doi-asserted-by":"crossref","DOI":"10.1016\/j.cub.2012.03.038","article-title":"Social jetlag and obesity","volume":"22","author":"Roenneberg","year":"2012","journal-title":"Curr Biol"},{"issue":"4","key":"10.1016\/j.sleep.2026.109112_bib21","doi-asserted-by":"crossref","first-page":"426","DOI":"10.3988\/jcn.2016.12.4.426","article-title":"Clinical considerations of obstructive sleep apnea with little REM sleep","volume":"12","author":"Koo","year":"2016","journal-title":"J Clin Neurol"},{"key":"10.1016\/j.sleep.2026.109112_bib22","doi-asserted-by":"crossref","first-page":"5437","DOI":"10.1038\/s41598-017-05797-w","article-title":"Latitudinal cline of chronotype","volume":"7","author":"Leocadio-Miguel","year":"2017","journal-title":"Sci Rep"},{"key":"10.1016\/j.sleep.2026.109112_bib23","series-title":"The AASM manual for the scoring of sleep and associated events","year":"2020"},{"issue":"4","key":"10.1016\/j.sleep.2026.109112_bib24","doi-asserted-by":"crossref","first-page":"432","DOI":"10.1046\/j.1365-2826.2003.00989.x","article-title":"Role of melatonin in the regulation of human circadian rhythms and sleep","volume":"15","author":"Cajochen","year":"2003","journal-title":"J Neuroendocrinol"},{"key":"10.1016\/j.sleep.2026.109112_bib25","series-title":"Relationships between selected factors and insomnia in adult cancer patients","author":"Keawphang","year":"2004"},{"issue":"5","key":"10.1016\/j.sleep.2026.109112_bib26","doi-asserted-by":"crossref","first-page":"601","DOI":"10.1093\/sleep\/34.5.601","article-title":"The insomnia severity index: psychometric indicators to detect insomnia cases and evaluate treatment response","volume":"34","author":"Morin","year":"2011","journal-title":"Sleep"},{"issue":"5","key":"10.1016\/j.sleep.2026.109112_bib27","doi-asserted-by":"crossref","first-page":"552","DOI":"10.1016\/0009-9236(95)90040-3","article-title":"Sleep-inducing effects of low doses of melatonin ingested in the evening","volume":"57","author":"Zhdanova","year":"1995","journal-title":"Clin Pharmacol Ther"},{"issue":"1","key":"10.1016\/j.sleep.2026.109112_bib28","doi-asserted-by":"crossref","first-page":"396","DOI":"10.1111\/ejn.14216","article-title":"Metabolic and cardiovascular consequences of shift work: the role of circadian disruption and sleep disturbances","volume":"51","author":"Kervezee","year":"2020","journal-title":"Eur J Neurosci"},{"issue":"11","key":"10.1016\/j.sleep.2026.109112_bib29","doi-asserted-by":"crossref","DOI":"10.1080\/09291016.2023.2245569","article-title":"Meal timing and melatonin-containing food intake in young people with social jetlag","volume":"54","author":"Polugrudov","year":"2023","journal-title":"Biol Rhythm Res"},{"issue":"12","key":"10.1016\/j.sleep.2026.109112_bib30","doi-asserted-by":"crossref","DOI":"10.1002\/ctm2.1131","article-title":"Keeping an eye on circadian time in clinical research and medicine","volume":"12","author":"Klerman","year":"2022","journal-title":"Clin Transl Med"}],"container-title":["Sleep Medicine"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1389945726003515?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1389945726003515?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,8,11]],"date-time":"2026-08-11T02:12:51Z","timestamp":1786414371000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1389945726003515"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,11]]},"references-count":30,"alternative-id":["S1389945726003515"],"URL":"https:\/\/doi.org\/10.1016\/j.sleep.2026.109112","relation":{},"ISSN":["1389-9457"],"issn-type":[{"value":"1389-9457","type":"print"}],"subject":[],"published":{"date-parts":[[2026,11]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Sleep-timing mismatch (MSFsc\u2013lights-off interval) and its association with polysomnographic sleep parameters in a clinical population under a fixed laboratory schedule","name":"articletitle","label":"Article Title"},{"value":"Sleep Medicine","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.sleep.2026.109112","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2026 Elsevier B.V. All rights are reserved, including those for text and data mining, AI training, and similar technologies.","name":"copyright","label":"Copyright"}],"article-number":"109112"}}