{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,19]],"date-time":"2026-08-19T19:48:21Z","timestamp":1787168901829,"version":"build-2736575974"},"reference-count":53,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2008,10,13]],"date-time":"2008-10-13T00:00:00Z","timestamp":1223856000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Sleep Research"],"published-print":{"date-parts":[[2009,3]]},"abstract":"<jats:title>Summary<\/jats:title>\n                  <jats:p>Both insomnia and sleep duration have previously been linked with a range of adverse outcomes, but no studies have explored their relative effect on subsequent work disability. The aim of the present study was to investigate the contribution of insomnia versus sleep duration to later long\u2010term work disability. Using a historical cohort design with 4\u2010year follow\u2010up, data on insomnia, sleep duration and potential confounders were gathered from 6599 working persons (40\u201345\u2003years). The outcome was award of disability pension, as registered in the National Insurance Administration. After controlling for baseline exposure to disability and sick leave, insomnia was a strong predictor of permanent work disability [odds ratio (OR)\u2003=\u20034.56], and this effect remained significant after controlling for sleep duration, as well as for other possible confounders (OR\u2003=\u20031.88). Short sleep duration was not significantly associated with subsequent work disability, while long sleep duration (&gt;8.5\u2003h) did predict work disability (OR\u2003=\u20032.96), also in the fully adjusted model (OR\u2003=\u20032.14).The present study demonstrates that both insomnia and long sleep duration are strong and independent risk factors for subsequent work disability.<\/jats:p>","DOI":"10.1111\/j.1365-2869.2008.00697.x","type":"journal-article","created":{"date-parts":[[2008,10,13]],"date-time":"2008-10-13T21:04:16Z","timestamp":1223931856000},"page":"122-128","source":"Crossref","is-referenced-by-count":94,"title":["Insomnia and long sleep duration are risk factors for later work disability. The Hordaland Health Study"],"prefix":"10.1111","volume":"18","author":[{"given":"B\u00d8RGE","family":"SIVERTSEN","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"SIMON","family":"\u00d8VERLAND","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"ST\u00c5LE","family":"PALLESEN","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"BJ\u00d8RN","family":"BJORVATN","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"INGER HILDE","family":"NORDHUS","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"JOHN GUNNAR","family":"M\u00c6LAND","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"ARNSTEIN","family":"MYKLETUN","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2009,2,24]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1136\/oem.59.9.595"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2869.2007.00609.x"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1080\/07420520802113922"},{"key":"e_1_2_6_5_1","volume-title":"Diagnostic and Statistical Manual of Mental Disorders: DSM\u2010IV","author":"American Psychiatric Association","year":"1994"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/30.9.1085"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-3999(01)00296-3"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2869.2007.00569.x"},{"key":"e_1_2_6_9_1","first-page":"A315","article-title":"Habitual sleep duration and mood states in college students who are satisfied with their sleep","volume":"28","author":"Brassington G.","year":"2005","journal-title":"Sleep"},{"key":"e_1_2_6_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/0272-7358(93)90031-G"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.1176\/ajp.133.12.1382"},{"key":"e_1_2_6_12_1","doi-asserted-by":"publisher","DOI":"10.1037\/0022-006X.50.3.345"},{"key":"e_1_2_6_13_1","doi-asserted-by":"publisher","DOI":"10.1097\/01.PSY.0000039756.23250.7C"},{"key":"e_1_2_6_14_1","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/18.4.232"},{"key":"e_1_2_6_15_1","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/27.8.1567"},{"key":"e_1_2_6_16_1","doi-asserted-by":"publisher","DOI":"10.1177\/14034948010290010701"},{"key":"e_1_2_6_17_1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.1989.03430110069030"},{"key":"e_1_2_6_18_1","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/30.10.1317"},{"key":"e_1_2_6_19_1","doi-asserted-by":"publisher","DOI":"10.1097\/01.PSY.0000107881.53228.4D"},{"key":"e_1_2_6_20_1","first-page":"A113","article-title":"Nonverbal correlates of poor sleep in older adults without dementia","volume":"28","author":"Harris S.","year":"2005","journal-title":"Sleep"},{"key":"e_1_2_6_21_1","doi-asserted-by":"publisher","DOI":"10.1136\/jech.2006.055426"},{"key":"e_1_2_6_22_1","doi-asserted-by":"publisher","DOI":"10.1001\/archinte.166.16.1701"},{"key":"e_1_2_6_23_1","doi-asserted-by":"publisher","DOI":"10.1001\/archpsyc.59.2.131"},{"key":"e_1_2_6_24_1","doi-asserted-by":"publisher","DOI":"10.1016\/0277-9536(91)90173-A"},{"key":"e_1_2_6_25_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0005-7967(02)00023-2"},{"key":"e_1_2_6_26_1","doi-asserted-by":"publisher","DOI":"10.1001\/archpsyc.1985.01790260019002"},{"key":"e_1_2_6_27_1","first-page":"1","article-title":"Deaths: final data for 2000","volume":"50","author":"Minino A. 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