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Sleep Indices and Cardiac Autonomic Activity Responses during an International Tournament in a Youth National Soccer Team
This study aimed to describe habitual sleep and nocturnal cardiac autonomic activity (CAA), and their relationship with training/match load in male youth soccer players during an international tournament. Eighteen elite male youth soccer players (aged 14.8 ± 0.3 years; mean ± SD) participated in the...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7924379/ https://www.ncbi.nlm.nih.gov/pubmed/33672683 http://dx.doi.org/10.3390/ijerph18042076 |
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author | Figueiredo, Pedro Costa, Júlio Lastella, Michele Morais, João Brito, João |
author_facet | Figueiredo, Pedro Costa, Júlio Lastella, Michele Morais, João Brito, João |
author_sort | Figueiredo, Pedro |
collection | PubMed |
description | This study aimed to describe habitual sleep and nocturnal cardiac autonomic activity (CAA), and their relationship with training/match load in male youth soccer players during an international tournament. Eighteen elite male youth soccer players (aged 14.8 ± 0.3 years; mean ± SD) participated in the study. Sleep indices were measured using wrist actigraphy, and heart rate (HR) monitors were used to measure CAA during night-sleep throughout 5 consecutive days. Training and match loads were characterized using the session-rating of perceived exertion (s-RPE). During the five nights 8 to 17 players slept less than <8 h and only one to two players had a sleep efficiency <75%. Players’ sleep duration coefficient of variation (CV) ranged between 4 and 17%. Nocturnal heart rate variability (HRV) indices for the time-domain analyses ranged from 3.8 (95% confidence interval, 3.6; 4.0) to 4.1 ln[ms] (3.9; 4.3) and for the frequency-domain analyses ranged from 5.9 (5.6; 6.5) to 6.6 (6.3; 7.4). Time-domain HRV CV ranged from 3 to 10% and frequency-domain HRV ranged from 2 to 12%. A moderate within-subjects correlation was found between s-RPE and sleep duration [r = −0.41 (−0.62; −0.14); p = 0.003]. The present findings suggest that youth soccer players slept less than the recommended during the international tournament, and sleep duration was negatively associated with training/match load. |
format | Online Article Text |
id | pubmed-7924379 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-79243792021-03-03 Sleep Indices and Cardiac Autonomic Activity Responses during an International Tournament in a Youth National Soccer Team Figueiredo, Pedro Costa, Júlio Lastella, Michele Morais, João Brito, João Int J Environ Res Public Health Article This study aimed to describe habitual sleep and nocturnal cardiac autonomic activity (CAA), and their relationship with training/match load in male youth soccer players during an international tournament. Eighteen elite male youth soccer players (aged 14.8 ± 0.3 years; mean ± SD) participated in the study. Sleep indices were measured using wrist actigraphy, and heart rate (HR) monitors were used to measure CAA during night-sleep throughout 5 consecutive days. Training and match loads were characterized using the session-rating of perceived exertion (s-RPE). During the five nights 8 to 17 players slept less than <8 h and only one to two players had a sleep efficiency <75%. Players’ sleep duration coefficient of variation (CV) ranged between 4 and 17%. Nocturnal heart rate variability (HRV) indices for the time-domain analyses ranged from 3.8 (95% confidence interval, 3.6; 4.0) to 4.1 ln[ms] (3.9; 4.3) and for the frequency-domain analyses ranged from 5.9 (5.6; 6.5) to 6.6 (6.3; 7.4). Time-domain HRV CV ranged from 3 to 10% and frequency-domain HRV ranged from 2 to 12%. A moderate within-subjects correlation was found between s-RPE and sleep duration [r = −0.41 (−0.62; −0.14); p = 0.003]. The present findings suggest that youth soccer players slept less than the recommended during the international tournament, and sleep duration was negatively associated with training/match load. MDPI 2021-02-20 2021-02 /pmc/articles/PMC7924379/ /pubmed/33672683 http://dx.doi.org/10.3390/ijerph18042076 Text en © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Figueiredo, Pedro Costa, Júlio Lastella, Michele Morais, João Brito, João Sleep Indices and Cardiac Autonomic Activity Responses during an International Tournament in a Youth National Soccer Team |
title | Sleep Indices and Cardiac Autonomic Activity Responses during an International Tournament in a Youth National Soccer Team |
title_full | Sleep Indices and Cardiac Autonomic Activity Responses during an International Tournament in a Youth National Soccer Team |
title_fullStr | Sleep Indices and Cardiac Autonomic Activity Responses during an International Tournament in a Youth National Soccer Team |
title_full_unstemmed | Sleep Indices and Cardiac Autonomic Activity Responses during an International Tournament in a Youth National Soccer Team |
title_short | Sleep Indices and Cardiac Autonomic Activity Responses during an International Tournament in a Youth National Soccer Team |
title_sort | sleep indices and cardiac autonomic activity responses during an international tournament in a youth national soccer team |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7924379/ https://www.ncbi.nlm.nih.gov/pubmed/33672683 http://dx.doi.org/10.3390/ijerph18042076 |
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