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Purpose <p>The purpose of this study was to examine the effects of short-term resistance training on sleep quantity and quality in young women, according to their body fat.</p> Methods <p>Thirty-five young women were randomly assigned based on their body fat levels, using the 90th percentile of fat mass as a criterion, with a threshold set at ≥ 21&#xa0;kg of fat mass for the obese group (<i>n</i> = 16) and &lt; 21&#xa0;kg of fat mass for the non-obese group (<i>n</i> = 19). Subjective sleep quality was evaluated using the Pittsburgh Sleep Quality Index (PSQI) at pre and post a progressive six-week full-body resistance training (RT).</p> Results <p>Post-intervention analysis showed a reduction in the overall sleep score (<i>p</i> = 0.006, η2 = 0.21), improvement in subjective sleep quality (<i>p</i> &lt; 0.001; η2 = 0.357) and a decrease in sleep disturbances (<i>p</i> = 0.034; η2 = 0.129). However, no interaction between group x training for sleep parameters and body composition was observed (<i>p</i> &gt; 0.05). There were no significant correlations between sleep quality, fat mass and fat-free mass in both groups investigated (<i>p</i> &gt; 0.05).</p> Conclusion <p>Six-weeks of RT improved subjective sleep quality and reduced sleep disturbances in young women, regardless of the amount of fat mass. Sleep variables were not associated with changes in body composition.</p>

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Short-time resistance training enhances sleep quality in obese and non-obese young women

  • 期刊论文

  • 发表日期：

    2025年3月29日

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  • Thaís Alves de Paiva Ferreira,
  • Lucas Melo Neves,
  • Alberto Jiménez-Maldonado,
  • Larissa Kelly de Araújo Cardoso,
  • Paulo Egdio Araújo Ferreira,
  • Joniel Ronney Gomes da Silva,
  • Clara Andressa de Araujo Barros,
  • Nathanael Leal Santana,
  • Ivoneide Maria Rodrigues de Araújo,
  • Paula Alves Monteiro,
  • Fabrício Eduardo Rossi

摘要

Purpose

The purpose of this study was to examine the effects of short-term resistance training on sleep quantity and quality in young women, according to their body fat.

Methods

Thirty-five young women were randomly assigned based on their body fat levels, using the 90th percentile of fat mass as a criterion, with a threshold set at ≥ 21 kg of fat mass for the obese group (n = 16) and < 21 kg of fat mass for the non-obese group (n = 19). Subjective sleep quality was evaluated using the Pittsburgh Sleep Quality Index (PSQI) at pre and post a progressive six-week full-body resistance training (RT).

Results

Post-intervention analysis showed a reduction in the overall sleep score (p = 0.006, η2 = 0.21), improvement in subjective sleep quality (p < 0.001; η2 = 0.357) and a decrease in sleep disturbances (p = 0.034; η2 = 0.129). However, no interaction between group x training for sleep parameters and body composition was observed (p > 0.05). There were no significant correlations between sleep quality, fat mass and fat-free mass in both groups investigated (p > 0.05).

Conclusion

Six-weeks of RT improved subjective sleep quality and reduced sleep disturbances in young women, regardless of the amount of fat mass. Sleep variables were not associated with changes in body composition.