{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,22]],"date-time":"2026-10-22T13:07:22Z","timestamp":1792674442530,"version":"4.5.0"},"reference-count":39,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2025,12,15]],"date-time":"2025-12-15T00:00:00Z","timestamp":1765756800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,12,15]],"date-time":"2025-12-15T00:00:00Z","timestamp":1765756800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100006636","name":"Forskningsr\u00e5det f\u00f6r h\u00e4lsa, arbetsliv och v\u00e4lf\u00e4rd","doi-asserted-by":"publisher","award":["2017\u201002032"],"award-info":[{"award-number":["2017\u201002032"]}],"id":[{"id":"10.13039\/501100006636","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":[[2026,6]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>As sleep restriction has negative effects on performance, ensuring sufficient sleep for shift workers is essential. Quick returns (&lt;\u200911\u2009h off between shifts) shorten sleep and are associated with increased fatigue and risk of accidents, but there is limited research on other aspects of cognitive performance and work performance. The aim of the present quasi\u2010experimental field study was to investigate the effects of quick returns on objective and subjective measures of sleep, fatigue and cognitive performance. In total 36 newly graduated nurses were followed during two pre\u2010scheduled work periods, with and without a quick return (evening\u2013day\u2013day vs. day\u2013day\u2013day). They kept diaries of sleep and work, wore actigraphy wristbands to record sleep and performed 3\u2009\u00d7\u20093 min smartphone\u2010based cognitive tests (simple reaction time, episodic memory and Stroop) several times daily. Quick returns were found to shorten sleep by 46\u2009min on average, and participants felt less rested in the morning and sleepier throughout the day. Sleep fragmentation and sleep efficiency did not differ between conditions but participants reported poorer sleep quality. Although the nurses reported cognitive impairments after a quick return, the estimated effects on simple attention, episodic memory and Stroop were small and overlapped zero. There were also indications of lingering fatigue on the second day shift after a quick return, but estimates are uncertain. In sum, quick returns shorten sleep and decrease subjective alertness, which could contribute to increased fatigue\u2010related risk at work, but people seem able to mobilise necessary resources to maintain performance on short cognitive tasks.<\/jats:p>","DOI":"10.1111\/jsr.70244","type":"journal-article","created":{"date-parts":[[2025,12,15]],"date-time":"2025-12-15T11:39:31Z","timestamp":1765798771000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Quick Returns: A Quasi\u2010Experimental Field Study on the Effects on Sleep, Fatigue and Cognitive Performance"],"prefix":"10.1111","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5611-0573","authenticated-orcid":false,"given":"Kristin","family":"\u00d6ster","sequence":"first","affiliation":[{"name":"The Division of Psychology, Department of Clinical Neuroscience Karolinska Institutet  Solna Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marie","family":"S\u00f6derstr\u00f6m","sequence":"additional","affiliation":[{"name":"The Division of Psychology, Department of Clinical Neuroscience Karolinska Institutet  Solna Sweden"},{"name":"Department of Psychology Stockholm University  Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Philip","family":"Tucker","sequence":"additional","affiliation":[{"name":"Stress Research Institute, Department of Psychology Stockholm University  Stockholm Sweden"},{"name":"School of Psychology Swansea University  Swansea UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"John","family":"Axelsson","sequence":"additional","affiliation":[{"name":"The Division of Psychology, Department of Clinical Neuroscience Karolinska Institutet  Solna Sweden"},{"name":"Stress Research Institute, Department of Psychology Stockholm University  Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"G\u00f6ran","family":"Kecklund","sequence":"additional","affiliation":[{"name":"Department of Psychology Stockholm University  Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anna","family":"Dahlgren","sequence":"additional","affiliation":[{"name":"The Division of Psychology, Department of Clinical Neuroscience Karolinska Institutet  Solna Sweden"},{"name":"Department of Psychology Stockholm University  Stockholm Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2025,12,15]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.3109\/00207459008994241"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.3109\/07420529709001149"},{"key":"e_1_2_11_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/jsr.12528"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.1108\/S1479-3555(2009)0000007009"},{"key":"e_1_2_11_6_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00420\u2010003\u20100482\u20101"},{"key":"e_1_2_11_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jml.2012.11.001"},{"key":"e_1_2_11_8_1","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/34.5.581"},{"key":"e_1_2_11_9_1","doi-asserted-by":"publisher","DOI":"10.1081\/CBI\u2010100102108"},{"key":"e_1_2_11_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.smrv.2019.05.001"},{"key":"e_1_2_11_11_1","volume-title":"Sixth European Working Conditions Survey\u2014Overview Report (2017 Update)","author":"Eurofound","year":"2017"},{"key":"e_1_2_11_12_1","unstructured":"Goodrich B. 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