Effects of Half- or Whole-Night Shifts on Physiological and Cognitive Parameters in Women

dc.authorwosidYILDIZ, SEDAT/AAB-6354-2021
dc.contributor.authorCakan, Pinar
dc.contributor.authorYildiz, Sedat
dc.date.accessioned2024-08-04T20:47:03Z
dc.date.available2024-08-04T20:47:03Z
dc.date.issued2020
dc.departmentİnönü Üniversitesien_US
dc.description.abstractBackground: The study assessed the effects of whole- or half-night shifts on leptin, melatonin, sex hormones, interleukin (IL)-1 beta, tumor necrosis factor-alpha (TNF-alpha), IL-6, hematological parameters, sleep quality and attentional performance in women working in the health sector. Materials and Methods: Women working whole-night shifts (16:00-08:00 hours, n = 20), half-night shifts (16:0024:00 hours, n = 20) or day shifts (08:00-16:00 hours, n = 20) participated in the study. Blood pressure, respiratory rate, proximal skin temperature (forehead), blood glucose, leptin, melatonin, estradiol, progesterone, IL-1 beta, TNF-alpha, and IL-6 concentrations, complete blood count and erythrocyte sedimentation rate (ESR) were measured in the beginning and at the end of the shifts. The participants filled in sleep quality questionnaires and performed visual attention tests. Results: Half- and whole-night shifts caused problems in sleep duration and quality and disturbed the melatonin rhythm. Women working both half- and whole-night shifts had significantly higher nucleated erythrocytes (P = 0.006), eosinophils (P = 0.031), lymphocytes (P = 0.001) and leptin concentrations (P = 0.001) but had lower ESR (P = 0.046) and neutrophil percentage (P = 0.001) than that of day-time workers. Whole-night shifts caused additional changes including lower attentional performance (P = 0.035), lower platelet counts (P = 0.000) and lower estradiol levels (P = 0.029), but higher TNF-alpha levels (P = 0.000), than the control group. Moreover, whole-night shifts increased IL-1 beta levels before the shift (P < 0.001) and increased IL-6 levels over the half-night shifts (P < 0.05). Conclusions: Half-night shifts disturbed sleep parameters and the melatonin rhythm, perturbed blood cell turnover and increased leptin levels. Whole-night shifts caused additional problems including suppressed estradiol, activated inflammatory responses and decreased visual attention. All together, the data suggest that night shifts, especially whole-night shifts, should be refrained from or countermeasures should be taken.en_US
dc.description.sponsorshipInonu University, Scientific Research Projects Unit [2017/649]en_US
dc.description.sponsorshipThis study was supported by Inonu University, Scientific Research Projects Unit (Project No. 2017/649).en_US
dc.identifier.doi10.1016/j.amjms.2019.12.002
dc.identifier.endpage536en_US
dc.identifier.issn0002-9629
dc.identifier.issn1538-2990
dc.identifier.issue5en_US
dc.identifier.pmid31882159en_US
dc.identifier.scopus2-s2.0-85076985407en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage525en_US
dc.identifier.urihttps://doi.org/10.1016/j.amjms.2019.12.002
dc.identifier.urihttps://hdl.handle.net/11616/99115
dc.identifier.volume360en_US
dc.identifier.wosWOS:000582705300012en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherElsevier Science Incen_US
dc.relation.ispartofAmerican Journal of The Medical Sciencesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectShift worken_US
dc.subjectHalf-nighten_US
dc.subjectWhole-nighten_US
dc.subjectCytokinesen_US
dc.subjectHormonesen_US
dc.titleEffects of Half- or Whole-Night Shifts on Physiological and Cognitive Parameters in Womenen_US
dc.typeArticleen_US

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