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Title: | Sleep Quality and Training Intensity in Soccer Players: Exploring Weekly Variations and Relationships | Authors: | Silva, Ana Filipa Oliveira, Rafael Akyildiz, Zeki Yıldız, Mehmet Ocak, Yücel Günay, Mehmet Sarmento, Hugo Marques, Adilson Badicu, Georgian Clemente, Filipe Manuel |
Keywords: | sleep; exercise; youth sports; football | Issue Date: | 2022 | Project: | UIDB/50008/2020 | Serial title, monograph or event: | Applied Sciences (Switzerland) | Volume: | 12 | Issue: | 6 | Abstract: | The aim of this study was twofold: it (i) analyzed the weekly variations of sleep quality and training intensity of youth soccer players and (ii) analyzed the relationships between sleep quality and training intensity. This study followed an observational design. Twenty men youth players (age: 18.81 0.41 years) were monitored daily over two weeks for sleep quality and training intensity. Sleep quality was measured daily using the 15-item consensus sleep diary. The training intensity was measured daily using the CR-10 Borg’s scale as a measure of rate of perceived exertion (RPE); a heart rate (HR) sensor was used to measure minimum, average and peak; a global positioning system (GPS) was used for measuring the total distance covered and distances covered at different speed thresholds. Repeated measures ANOVA was used to analyze the weekly variations of sleep quality and training intensity. The Pearson correlation test was executed to analyze the relationships between sleep quality and training intensity. Repeated measures ANOVA revealed significant withinweek variations in sleep duration (hours) (p = 0.043), quality of sleep (p = 0.035), RPE (p = 0.007), session-RPE (p = 0.011), HRminimum (p = 0.027), HRpeak (p = 0.005), total distance (p < 0.001), pace (p < 0.002), distance covered at 3.00–6.99 km/h (p < 0.001), distance covered at 7.00–10.99 km/h (p < 0.001), distance covered at 11.00–14.99 km/h (p < 0.001), distance covered at 15.00–18.99 km/h (p < 0.001) and distance covered at >19.00 km/h (p < 0.001). Significant small correlations were found between sleep duration before training and session-RPE (r = 0.252), total distance (r = 0.205), distance covered at 3.00–6.99 km/h (r = 0.209) and distance covered at 7.00–10.99 km/h (r = 0.265). Significant small correlations were found between session-RPE and sleep duration after (r = 0.233), total distance and quality of sleep after (r = 0.198), distance at 3.00–6.99 km/h and quality of sleep after training (r = 0.220), distance covered at >19.00 km/h and quality of sleep after training (r = 0.286), session duration and rested feeling after training (r = 0.227), total distance and rested feeling after training (r = 0.202), distance covered at 11.00–14.99 km/h and rested feeling after training (r = 0.222) and distance covered at >19.00 km/h and rested feeling after training (r = 0.214). In conclusion, sleep duration was longer in the training sessions during the middle of the week; the training intensity was also greater (485.8 56.8 A.U.). Moreover, sleep outcomes after training were slightly correlated with both physiological and locomotor demands. | URI: | https://hdl.handle.net/10316/102842 | ISSN: | 2076-3417 | DOI: | 10.3390/app12062791 | Rights: | openAccess |
Appears in Collections: | I&D CIDAF - Artigos em Revistas Internacionais |
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