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dc.contributor.authorSlomko, J
dc.contributor.authorZawadka-Kunikowska, M
dc.contributor.authorKlawe, JJ
dc.contributor.authorTafil-Klawe, M
dc.contributor.authorNewton, J
dc.contributor.authorZalewski, P
dc.date.accessioned2019-05-28T23:45:17Z
dc.date.available2019-05-28T23:45:17Z
dc.date.issued2018
dc.identifier.issn0862-8408
dc.identifier.urihttp://hdl.handle.net/10072/384644
dc.description.abstractIn this study we set out to understand is sleep fragmentation affects the cardiovascular regulation and circadian variability of core body temperature more or less than sleep deprivation. 50 healthy men (age 29.0±3.1 years; BMI 24.3±2.1 kg/m2) participated in a 3-day study that included one adaptative night and one experimental night involving randomization to: sleep deprivation (SD) and sleep fragmentation (SF). The evaluation included hemodynamic parameters, measures of the spectral analysis of heart rate and blood pressure variability, and the sensitivity of arterial baroreflex function. Core body temperature (CBT) was measured with a telemetric system. SF affects heart rate (61.9±5.6 vs 56.2±7.6, p<0.01) and stroke index (52.7±11.1 vs 59.8±12.2, p<0.05) with significant changes in the activity of the ANS (LF-sBP: 6.0±5.3 vs 3.4±3.7, p<0.05; HF-sBP: 1.8±1.8 vs 1.0±0.7, p<0.05; LF-dBP: 5.9±4.7 vs 3.5±3.2, p<0.05) more than SD. Post-hoc analysis revealed that after SD mean value of CBT from 21:30 to 06:30 was significantly higher compared to normal night’s sleep and SF. In healthy men SF affects the hemodynamic and autonomic changes more than SD. Sympathetic overactivity is the proposed underlying mechanism.
dc.description.peerreviewedYes
dc.languageEnglish
dc.language.isoeng
dc.publisherACAD SCIENCES CZECH REPUBLIC, INST PHYSIOLOGY
dc.publisher.urihttps://www.biomed.cas.cz/physiolres/2018/5_18.htm
dc.relation.ispartofpagefrom687
dc.relation.ispartofpageto693
dc.relation.ispartofissue5
dc.relation.ispartofjournalPHYSIOLOGICAL RESEARCH
dc.relation.ispartofvolume67
dc.subject.fieldofresearchMedical physiology
dc.subject.fieldofresearchcode3208
dc.titleCardiovascular Regulation and Body Temperature: Evidence From a Nap vs. Sleep Deprivation Randomized Controlled Trial
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
gro.rights.copyrightSelf-archiving of the author-manuscript version is not yet supported by this journal. Please refer to the journal link for access to the definitive, published version or contact the authors for more information.
gro.hasfulltextNo Full Text
gro.griffith.authorSlomko, Joanna
gro.griffith.authorZalewski, Pawel


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