Sleep quantity and quality in elite swimmers: competition vs.training

Authors

  • Lidia Barragán Hernández Departamento de Didáctica de la Expresión Musical, Plástica y Corporal, Universidad de Extremadura, Cáceres, España Grupo / Laboratorio GAEDAF, Universidad de Extremadura, Cáceres, España , Spain Author https://orcid.org/0009-0004-4339-3681
  • Elena Manzano Universidad de Extremadura, Facultad de Ciencias de la Actividad Física y el Deporte, Grupo de Avances y Entrenamiento Deportivo y Actividad Física (GAEDAF), Cáceres, Extremadura , Spain Author https://orcid.org/0009-0004-7302-2929
  • Carmen Crespo Universidad de Extremadura, Facultad de Ciencias de la Actividad Física y el Deporte, Grupo de Avances y Entrenamiento Deportivo y Actividad Física (GAEDAF), Cáceres, Extremadura , Spain Author https://orcid.org/0000-0002-7634-2002
  • Rafael Timón Universidad de Extremadura, Facultad de Ciencias de la Actividad Física y el Deporte, Grupo de Avances y Entrenamiento Deportivo y Actividad Física (GAEDAF), Cáceres, Extremadura , Spain Author https://orcid.org/0000-0002-2187-0465
  • Guillermo Olcina Universidad de Extremadura, Facultad de Ciencias de la Actividad Física y el Deporte, Grupo de Avances y Entrenamiento Deportivo y Actividad Física (GAEDAF), Cáceres, Extremadura , Spain Author https://orcid.org/0000-0002-8256-0882

DOI:

https://doi.org/10.15359/mhs.23-1.21987

Keywords:

sleep, swimming, athletic performance

Abstract

Objective: This study aims to analyze sleep patterns in elite swimmers during periods of competitive stress compared to periods of non-competitive training. Methodology: Observational, comparative, and longitudinal study. 23 swimmers (11 men and 12 women) participated. The Oura Ring Gen3 device was used to analyze sleep patterns during a national championship and the training period in January of the same year. The variables collected were: total sleep score, total sleep duration, total time in bed, sleep efficiency, sleep latency, bedtime, and wake-up time. Data normality was assessed using the Kolmogorov-Smirnov test, and comparisons between periods were performed using paired Student’s t-tests, calculating effect sizes (Cohen’s d) and 95% confidence intervals. Results: Swimmers slept an average of 7:10±0.5 hours during the competitive period (C) vs. 7:00±0.4 hours during the training period (E), spending a total of 8:10±0.6 hours in bed (C) vs. 7:55±0.6 (E). The total sleep score was 74.9±6.1 points (C) vs. 73.8±5.7 points (E), respectively. Sleep efficiency was 87.1%±2.7 (C) vs. 87.1%±2.4 (E), and sleep latency was 00:19:50±5.6 minutes

(C) vs. 00:22:00±4.9 minutes (E). The average bedtime was 23:40±0.6 hours (C) vs. 24:00±0.5 hours (E), and the average wake-up time was 08:00±0 hours in both conditions. No statistically significant differences were found between the analyzed periods. Conclusions: Elite swimmers maintained stable and normative sleep values in both periods, suggesting that, under controlled conditions, competition does not significantly compromise sleep quality.

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Published

2026-06-22

How to Cite

Barragán Hernández, L., Manzano, E. ., Crespo, C. ., Timón, R. ., & Olcina, G. (2026). Sleep quantity and quality in elite swimmers: competition vs.training. MHSalud: Revista En Ciencias Del Movimiento Humano Y Salud, 23(1), e21987. https://doi.org/10.15359/mhs.23-1.21987