{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,25]],"date-time":"2026-10-25T03:29:05Z","timestamp":1792898945793,"version":"4.5.0"},"reference-count":40,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2021,2,2]],"date-time":"2021-02-02T00:00:00Z","timestamp":1612224000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Sleep Research"],"published-print":{"date-parts":[[2021,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Patients with chronic pain commonly report sleep problems, and the evidence for a relationship between sleep disturbance and pain seems robust. The day\u2010to\u2010day associations between these constructs are less well studied, particularly with objective sleep measures such as actigraphy. Moreover, the concurrent presence of negative affective symptoms, as well as seasonality effects at extreme latitudes may complicate it further. Here, we studied 56 patients with chronic primary musculoskeletal pain conditions, contributing data in two separate 7\u2010day data\u2010collection periods during the summer and winter, respectively. The effect of self\u2010reported sleep quality, and actigraphy measured sleep duration, efficiency and timing on next\u2010day pain, as well as the effect of pain on the same sleep indices were estimated by generalised linear mixed regression models. The models were additionally adjusted for age, sex, education, data collection period, weekend, season and mental distress, with the latter two also specified as moderators. We observed a significant effect of pain as a predictor of next\u2010night sleep quality (<jats:italic>p<\/jats:italic>\u00a0=\u00a0.003) and marginally of next\u2010night sleep duration (<jats:italic>p<\/jats:italic>\u00a0=\u00a0.079). Conversely, sleep quality tentatively predicted next\u2010day pain (<jats:italic>p<\/jats:italic>\u00a0=\u00a0.063). No other day\u2010to\u2010day associations were present. Mental distress was the strongest predictor of pain, but it did not modify the sleep\u2013pain associations, nor did season. In conclusion pain, sleep quality and mental distress are closely related, underscoring the importance of encompassing this complexity in assessment and treatment of patients with chronic pain.<\/jats:p>","DOI":"10.1111\/jsr.13237","type":"journal-article","created":{"date-parts":[[2021,2,6]],"date-time":"2021-02-06T04:23:06Z","timestamp":1612585386000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":25,"title":["Daily associations between sleep and pain in patients with chronic musculoskeletal pain"],"prefix":"10.1111","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3348-6716","authenticated-orcid":false,"given":"Karin","family":"Abeler","sequence":"first","affiliation":[{"name":"Department of Psychology Faculty of Health Sciences The Arctic University of Norway Troms\u00f8 Norway"},{"name":"Department of Neurology and Neurophysiology University Hospital of North Norway Troms\u00f8 Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1829-2518","authenticated-orcid":false,"given":"Svein","family":"Bergvik","sequence":"additional","affiliation":[{"name":"Department of Psychology Faculty of Health Sciences The Arctic University of Norway Troms\u00f8 Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9755-8187","authenticated-orcid":false,"given":"Trond","family":"Sand","sequence":"additional","affiliation":[{"name":"Department of Neuromedicine and Movement Science Faculty of Medicine and Health Sciences NTNU \u2010 Norwegian University of Science and Technology Trondheim Norway"},{"name":"Department of Neurology and Clinical Neurophysiology St. Olavs Hospital Trondheim University Hospital Trondheim Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6629-0782","authenticated-orcid":false,"given":"Oddgeir","family":"Friborg","sequence":"additional","affiliation":[{"name":"Department of Psychology Faculty of Health Sciences The Arctic University of Norway Troms\u00f8 Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,2,2]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1097\/AJP.0000000000000854"},{"key":"e_1_2_9_3_1","first-page":"1","article-title":"Seasonality in pain, sleep and mental distress in patients with chronic musculoskeletal pain at latitude 69 degrees N","volume":"28","author":"Abeler K.","year":"2020","journal-title":"Chronobiology International"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.3109\/09638288.2013.864712"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0095824"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1097\/AJP.0000000000000055"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.3109\/07420528.2012.668997"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1001\/archinte.163.20.2433"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.3389\/fpsyg.2016.01689"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.1097\/j.pain.0000000000000466"},{"key":"e_1_2_9_11_1","doi-asserted-by":"publisher","DOI":"10.1037\/a0025075"},{"key":"e_1_2_9_12_1","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/29.9.1155"},{"key":"e_1_2_9_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/0165-1781(89)90047-4"},{"key":"e_1_2_9_14_1","first-page":"293","volume-title":"Effect of cancer on quality of life","author":"Cleeland C. 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