The effect of overnight sleep deprivation following competitive rugby league matches on post-match physiological and perceptual recovery

Melissa Skein, Rob Duffield, Geoffrey M. Minett, Alanna Snape, Alistair Murphy

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

Purpose: This study examined the effects of overnight sleep deprivation on recovery after competitive rugbyleague matches. Methods: Eleven male amateur rugby league players played 2 competitive matches, followedby either a normal night's sleep (~8 h; CONT) or a sleep-deprived night (~0 h; SDEP) in a randomizedfashion. Testing was conducted the morning of the match, immediately postmatch, 2 h postmatch, and thenext morning (16 h postmatch). Measures included countermovement-jump (CMJ) distance, knee-extensormaximal voluntary contraction (MVC) and voluntary activation (VA), venous-blood creatine kinase (CK) andC-reactive protein (CRP), perceived muscle soreness, and a word'color recognition cognitive-function test.Percent change between postmatch and 16-h postmatch was reported to determine the effect of the interventionthe next morning. Results: Large effects indicated a greater postmatch to 16-h-postmatch percentage declinein CMJ distance after SDEP than in CONT (P = .10'.16, d = 0.95'1.05). Similarly, the percentage decline inincongruent word'color reaction times was increased in SDEP trials (P = .007, d = 1.75). Measures of MVCdid not differ between conditions (P = .40'.75, d = 0.13'0.33), although trends for larger percentage declinein VA were detected in SDEP (P = .19, d = 0.84). Furthermore, large effects indicated higher CK and CRPresponses 16 h postmatch in SDEP than in CONT (P = .11'.87, d = 0.80'0.88). Conclusions: Sleep deprivationnegatively affected recovery after a rugby league match, specifically impairing CMJ distance and cognitivefunction. Practitioners should promote adequate postmatch sleep patterns or adjust training demands the nextday to accommodate the altered physical and cognitive state after sleep deprivation.
Original languageEnglish
Pages (from-to)556-564
Number of pages9
JournalInternational Journal of Sports Physiology and Performance
Volume8
Issue number5
Publication statusPublished - Sep 2013

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