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Sleep patterns and nocturnal cardiac autonomic activity in female athletes are affected by the timing of exercise and match location

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dc.contributor.authorCosta, Júlio A.
dc.contributor.authorBrito, João
dc.contributor.authorNakamura, Fábio Y.
dc.contributor.authorFigueiredo, Pedro
dc.contributor.authorOliveira, Eduardo
dc.contributor.authorRebelo, António
dc.date.accessioned2021-04-29T13:37:20Z
dc.date.available2021-04-29T13:37:20Z
dc.date.issued2018
dc.description.abstractThe aim of the current study was to analyze the influence of the timing of training and matches, and match location, on sleep pattern and nocturnal cardiac autonomic activity in female soccer players. A total of 17 female soccer players (age: 21.6 ± 2.3 years; mean ± SD) wore wrist actigraph units and heart rate (HR) monitors during night-sleep throughout 18 night-training days (NTD), 18 resting days (RD), and 6 match-days (MD; 3 away-matches [AM] and 3 home-matches [HM]) of the competitive period. Training load was quantified by session rating of perceived exertion (sRPE), heart rate (HR), training impulse (TRIMP), and subjective well-being. In NTD, sleep onset time and total sleep time were significantly impaired compared to MD (+ 1:47 [0:48; 1:55] hours and -1:35 [-1:42; -0:57] hours, respectively; p< 0.001; mean difference ± 95% confidence interval [CI]) and RD (+ 1:31 [0:52; 1:49] hours and -1:26 [-1:28; -0:55] hours, respectively; p< 0.001). In AM, sleep onset time was delayed compared to HM (+ 0:36 [0:12; 0:44] hours; p< 0.001). Sleep latency was higher in NTD compared to RD (+ 4 [2; 5] min; p< 0.001), as well as after AM compared to HM (+ 5 [1; 7] min; p< 0.001). HR during sleep was significantly increased after NTD and MD compared to RD (+ 4 [1; 5] b.p.m and + 3 [1; 4] b.p.m, respectively; p< 0.001). Furthermore, HR variability decreased after NTD and MD compared to RD (e.g., lnRMSSD, -0.09 [-0.18; -0.08] ln[ms] and -0.17 [-0.27; -0.11] ln[ms], respectively; p< 0.001). Overall, the time of day for soccer practice (i.e., training at night) and match location (i.e., away matches) may cause disruption in sleep patterns and/or in autonomic cardiac activity in female soccer players. Additionally, playing official matches during the day and training at night may affect nocturnal cardiac autonomic activity by decreasing vagal-related modulation and increasing HR during sleep.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1080/07420528.2018.1545782pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.24/1810
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.subjectAdolescentpt_PT
dc.subjectAdultpt_PT
dc.subjectAthletespt_PT
dc.subjectAutonomic Nervous Systempt_PT
dc.subjectCircadian Rhythmpt_PT
dc.subjectExercisept_PT
dc.subjectFemalept_PT
dc.subjectHeart Ratept_PT
dc.subjectHumanspt_PT
dc.subjectSleeppt_PT
dc.subjectSoccerpt_PT
dc.subjectTime Factorspt_PT
dc.subjectYoung Adultpt_PT
dc.titleSleep patterns and nocturnal cardiac autonomic activity in female athletes are affected by the timing of exercise and match locationpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage373pt_PT
oaire.citation.issue3pt_PT
oaire.citation.startPage360pt_PT
oaire.citation.titleChronobiology Internationalpt_PT
oaire.citation.volume36pt_PT
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT

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