Late-night exercise affects the autonomic nervous system activity but not the hypothalamo-pituitary-adrenal axis in the next morning

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dc.authorwosidYILDIZ, SEDAT/AAB-6354-2021
dc.authorwosidÖzgöçer, Tuba/AAA-1751-2021
dc.contributor.authorUcar, Cihat
dc.contributor.authorOzgocer, Tuba
dc.contributor.authorYildiz, Sedat
dc.date.accessioned2024-08-04T20:44:15Z
dc.date.available2024-08-04T20:44:15Z
dc.date.issued2018
dc.departmentİnönü Üniversitesien_US
dc.description.abstractBACKGROUND: Exercise activates hypothalamic-pituitary-adrenal axis (HPA) and autonomic nervous system (ANS) and generally causes beneficial changes in homeostatic balance. However, the health benefits of late-night exercise programs on the activity of HPA and ANS is not known. The aim of this study was to assess effects of late-night exercise on sleep quality and on the activities of the HPA axis (as cortisol awakening response, CAR) and the ANS (as heart rate variability, HRV) measurements in the following morning. METHODS: Medical students (N.=20 males, 20-24 years old) filled Karolinska Sleep Diary on the day before exercise program. In the following morning, they provided salivary samples for the assessment of CAR (samples at 0, 15, 30 and 60 min postawakening) and had a 5-min electrocardiogram recording for the determination of HRV. In the next night, an exercise program consisting of a 90-min football match was implemented at 09: 30 p.m. and all procedures were repeated. Cortisol concentrations were measured in the salivary samples and time-and frequency-domain parameters of HRV were calculated. RESULTS: Late-night exercise did not affect (P>0.05) sleep parameters (sleep duration, disturbed sleep, awakening problems) and CAR parameters (0, 15, 30, 60 min cortisol concentrations, mean concentration, area under the curve) but influenced HRV parameters (P<0.05). CONCLUSIONS: The results suggest that late-night exercise is associated with changed HRV activity rather than changes in CAR and, therefore, it might be suggested that late-night exercise affects ANS activity rather than HPA activity in the next morning.en_US
dc.description.sponsorshipInonu University BAP [2015-96]en_US
dc.description.sponsorshipThis study was supported by Inonu University BAP (project #2015-96).en_US
dc.identifier.doi10.23736/S0022-4707.16.06766-9
dc.identifier.endpage65en_US
dc.identifier.issn0022-4707
dc.identifier.issn1827-1928
dc.identifier.issue1-2en_US
dc.identifier.pmid27849113en_US
dc.identifier.scopus2-s2.0-85040932358en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage57en_US
dc.identifier.urihttps://doi.org/10.23736/S0022-4707.16.06766-9
dc.identifier.urihttps://hdl.handle.net/11616/98130
dc.identifier.volume58en_US
dc.identifier.wosWOS:000437187000008en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherEdizioni Minerva Medicaen_US
dc.relation.ispartofJournal of Sports Medicine and Physical Fitnessen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectExerciseen_US
dc.subjectSleepen_US
dc.subjectHydrocortisoneen_US
dc.subjectHeart rateen_US
dc.subjectBlood pressureen_US
dc.titleLate-night exercise affects the autonomic nervous system activity but not the hypothalamo-pituitary-adrenal axis in the next morningen_US
dc.typeArticleen_US

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