Effects of Preseason Training on the Sleep Characteristics of Professional Rugby League Players

International Journal of Sports Physiology and Performance
Heidi R ThorntonBen J Dascombe

Abstract

To investigate the influence of daily and exponentially weighted moving training loads on subsequent nighttime sleep. Sleep of 14 professional rugby league athletes competing in the National Rugby League was recorded using wristwatch actigraphy. Physical demands were quantified using GPS technology, including total distance, high-speed distance, acceleration/deceleration load (SumAccDec; AU), and session rating of perceived exertion (AU). Linear mixed models determined effects of acute (daily) and subacute (3- and 7-d) exponentially weighted moving averages (EWMA) on sleep. Higher daily SumAccDec was associated with increased sleep efficiency (effect-size correlation; ES = 0.15; ±0.09) and sleep duration (ES = 0.12; ±0.09). Greater 3-d EWMA SumAccDec was associated with increased sleep efficiency (ES = 0.14; ±0.09) and an earlier bedtime (ES = 0.14; ±0.09). An increase in 7-d EWMA SumAccDec was associated with heightened sleep efficiency (ES = 0.15; ±0.09) and earlier bedtimes (ES = 0.15; ±0.09). The direction of the associations between training loads and sleep varied, but the strongest relationships showed that higher training loads increased various measures of sleep. Practitioners should be aware of the increased requiremen...Continue Reading

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Dec 6, 2016·International Journal of Sports Physiology and Performance·Heidi R ThorntonBen J Dascombe

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Citations

Jan 25, 2019·International Journal of Sports Physiology and Performance·Heidi R ThorntonBen J Dascombe
Sep 16, 2018·British Journal of Sports Medicine·Spencer Stuart Haines RobertsStuart Anthony Warmington
Feb 6, 2020·International Journal of Sports Physiology and Performance·Benita J LalorStuart J Cormack
Oct 26, 2018·European Journal of Sport Science·Craig M Whitworth-TurnerBarry Drust
Sep 19, 2020·International Journal of Sports Medicine·Victor Sanz-MiloneAndrea Maculano Esteves
Feb 5, 2021·International Journal of Sports Physiology and Performance·Spencer S H RobertsDominique Condo
Apr 9, 2021·International Journal of Sports Physiology and Performance·Benita J LalorStuart J Cormack
May 1, 2021·International Journal of Environmental Research and Public Health·Angus R TeeceMatthew W Driller
Jul 1, 2021·Sports Medicine - Open·Robert I M DelvesGrant M Duthie

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