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© 2020 SHAPE America.Purpose: To investigate the cognitive, physical, and perceptual effects of sleep restriction (SR) in soccer players following a night match. Methods: In a crossover design, nine male soccer players from the English Premier League 2 (age, 21 ± 5 years; height, 1.80 ± 0.75 m; body mass, 74.2 ± 6.8 kg) recorded their sleep quality and quantity with sleep logs and a subjective survey after two night matches (19:00); one where sleep duration was not altered (CON) and one where sleep was restricted by a later bed-time (SR). Countermovement jump height (CMJ), subjective wellbeing (1–5 likert scale for mood, stress, fatigue, sleep, and soreness), and cognitive function were measured at baseline and the morning following the match (+12 h; M + 1). Results: Bed-time was later in SR than CON (02:36 ± 0.17 vs. 22:43 ± 29; P = .0001; ηp2 = 0.999) and sleep duration was shorter in SR than CON (5.37 ± 0.16 vs. 8.59 h ± 0.36; P = .0001; ηp2 = 0.926). CMJ decreased by ~8% after the match in both SR and CON (P = .0001; ηp2 = 0.915) but there were no differences between the conditions (P >.05; ηp2 = 0.041–0.139). Wellbeing was rated worse after both matches (P = .0001; ηp2 = 0.949) but there were no differences between the trials (P >.05; ηp2 = 0.172–257). SR did not influence cognitive function (P >.05; interaction effects, ηp2 = 0.172–257). Conclusion: SR following a nighttime soccer match does not impair CMJ performance, subjective wellbeing, or cognitive function the following morning.
Author(s): Abbott W, Brett A, Watson AW, Brooker H, Clifford T
Publication type: Article
Publication status: Published
Journal: Research Quarterly for Exercise and Sport
Year: 2021
Volume: 93
Issue: 2
Pages: 325-332
Online publication date: 21/10/2020
Acceptance date: 05/10/2020
ISSN (print): 0270-1367
ISSN (electronic): 2168-3824
Publisher: Routledge
URL: https://doi.org/10.1080/02701367.2020.1834071
DOI: 10.1080/02701367.2020.1834071
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