Intermittent-Sprint Performance and Muscle Glycogen after 30 h of Sleep Deprivation

Skein, Melissa; Duffield, Rob; Edge, Johann; Short, Michael; Mündel, Toby

doi:10.1249/mss.0b013e31820abc5a

Cited by 139 publications

(96 citation statements)

References 36 publications

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“…The effects of sleep loss (sleep restriction and sleep deprivation) on exercise performance, and physiological and cognitive responses to exercise have been extensively reviewed [25]. Some studies have showed that extensive and total sleep deprivation negatively affects physical recovery among team sport athletes [114,115], which suggests the significance of sleep debt to athletic performance. Such results should be interpreted with caution as sleep deprivation is rarely total after a soccer match.…”

Section: Sleep Deprivation and Post-match Fatiguementioning

confidence: 99%

“…Consequently, it is relevant to examine the potential detrimental effects of sleep deprivation on muscle glycogen repletion among players. Skein et al [114] determined the effects of extensive sleep loss (i.e. 30 h of sleep deprivation) on consecutive-day intermittent-sprint performance and muscle glycogen content among team-sport athletes.…”

Section: Glycogen Repletionmentioning

confidence: 99%

“…However, results showed that muscle glycogen concentration was slightly lower before exercise on day 2 in the sleep deprived condition (209 ± 60 mmol kg -1 dry weight) compared with day 2 in the normal night's sleep (&8 h) condition (274 ± 54 mmol kg -1 dry weight, p = 0.05). Similar to active recovery, which significantly impairs glycogen synthesis if performed immediately after high-intensity exercise [119], the increased energy expended during extended hours awake may affect the rate of resynthesis of the depleted muscle glycogen after exercise [114]. Again, it is debatable whether the findings are applicable to elite soccer players given it would be rare for a player to endure one or more night(s) of complete sleep deprivation.…”

Section: Glycogen Repletionmentioning

confidence: 99%

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Stress, Sleep and Recovery in Elite Soccer: A Critical Review of the Literature

et al. 2015

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In elite soccer, players are frequently exposed to various situations and conditions that can interfere with sleep, potentially leading to sleep deprivation. This article provides a comprehensive and critical review of the current available literature regarding the potential acute and chronic stressors (i.e., psychological, sociological and physiological stressors) placed on elite soccer players that may result in compromised sleep quantity and/or quality. Sleep is an essential part of the recovery process as it provides a number of important psychological and physiological functions. The effects of sleep disturbance on post-soccer match fatigue mechanisms and recovery time course are also described. Physiological and cognitive changes that occur when competing at night are often not conducive to sleep induction. Although the influence of high-intensity exercise performed during the night on subsequent sleep is still debated, environmental conditions (e.g., bright light in the stadium, light emanated from the screens) and behaviours related to evening soccer matches (e.g., napping, caffeine consumption, alcohol consumption) as well as engagement and arousal induced by the match may all potentially affect subsequent sleep. Apart from night soccer matches, soccer players are subjected to inconsistency in match schedules, unique team schedules and travel fatigue that may also contribute to the sleep debt. Sleep deprivation may be detrimental to the outcome of the recovery process after a match, resulting in impaired muscle glycogen repletion, impaired muscle damage repair, alterations in cognitive function and an increase in mental fatigue. The role of sleep in recovery is a complex issue, reinforcing the need for future research to estimate the quantitative and qualitative importance of sleep and to identify influencing factors. Efficient and individualised solutions are likely needed.

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Section: Sleep Deprivation and Post-match Fatiguementioning

confidence: 99%

Section: Glycogen Repletionmentioning

confidence: 99%

Section: Glycogen Repletionmentioning

confidence: 99%

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Stress, Sleep and Recovery in Elite Soccer: A Critical Review of the Literature

et al. 2015

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“…Studies investigating the effects of carbohydrate ingestion on indices of sleep quality and quantity are limited and provide contradictory results [11]. However, to counteract the potential decreased rate of muscle glycogen resynthesis among soccer players exposed to sleep deprivation [87], a preventive strategy may be to ensure additional carbohydrate is consumed in these circumstances [88]. Apart from quantity, the glycemic index of carbohydrate is also important to consider.…”

Section: Sleep and Nutritional Strategiesmentioning

confidence: 99%

Sleep Hygiene and Recovery Strategies in Elite Soccer Players

Nédélec

Halson²,

Delecroix

et al. 2015

Sports Med

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In elite soccer, players are frequently exposed to various situations and conditions that can interfere with sleep (e.g., playing night matches interspersed with 3 days; performing activities demanding high levels of concentration close to bedtime; use of products containing caffeine or alcohol in the period preceding bedtime; regular daytime napping throughout the week; variable wake-up times or bedtime), potentially leading to sleep deprivation. We outline simple, practical, and pharmaceutical-free sleep strategies that are coordinated to the constraints of elite soccer in order to promote sleep. Sleep deprivation is best alleviated by sleep extension; however, sleep hygiene strategies (i.e., consistent sleep pattern, appropriate napping, and active daytime behaviors) can be utilized to promote restorative sleep. Light has a profound impact on sleep, and sleep hygiene strategies that support the natural environmental light-dark cycle (i.e., red-light treatment prior to sleep, dawn-simulation therapy prior to waking) and prevent cycle disruption (i.e., filtering short wavelengths prior to sleep) may be beneficial to elite soccer players. Under conditions of inordinate stress, techniques such as brainwave entrainment and meditation are promising sleep-promoting strategies, but future studies are required to ascertain the applicability of these techniques to elite soccer players. Consuming high-electrolyte fluids such as milk, high-glycemic index carbohydrates, some forms of protein immediately prior to sleep, as well as tart cherry juice concentrate and tryptophan may promote rehydration, substrate stores replenishment, muscle-damage repair and/or restorative sleep. The influence of cold water immersion performed close to bedtime on subsequent sleep is still debated. Conversely, the potential detrimental effects of sleeping medication must be recognized. Sleep initiation is influenced by numerous factors, reinforcing the need for future research to identify such factors. Efficient and individualized sleep hygiene strategies may consequently be proposed.

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“…1 Given that people spend about one-third of their lives asleep, sleep has substantial functions for development, daily functioning, and health. 2 Perhaps no daytime behavior has been associated more closely with improved sleep than exercise.…”

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confidence: 99%

Red Light and the Sleep Quality and Endurance Performance of Chinese Female Basketball Players

Zhao

Tian

Nie

et al. 2012

Journal of Athletic Training

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Context Good sleep is an important recovery method for prevention and treatment of overtraining in sport practice. Whether sleep is regulated by melatonin after red-light irradiation in athletes is unknown. Objective To determine the effect of red light on sleep quality and endurance performance of Chinese female basketball players. Design Cohort study. Setting Athletic training facility of the Chinese People's Liberation Army and research laboratory of the China Institute of Sport Science. Patients or Other Participants Twenty athletes of the Chinese People's Liberation Army team (age = 18.60 ± 3.60 years) took part in the study. Participants were divided into red-light treatment (n = 10) and placebo (n = 10) groups. Intervention(s) The red-light treatment participants received 30 minutes of irradiation from a red-light therapy instrument every night for 14 days. The placebo group did not receive light illumination. Main Outcome Measure(s) The Pittsburgh Sleep Quality Index (PSQI) questionnaire was completed, serum melatonin was assessed, and 12-minute run was performed at preintervention (baseline) and postintervention (14 days). Results The 14-day whole-body irradiation with red-light treatment improved the sleep, serum melatonin level, and endurance performance of the elite female basketball players (P < .05). We found a correlation between changes in global Pittsburgh Sleep Quality Index and serum melatonin levels (r = −0.695, P = .006). Conclusions Our study confirmed the effectiveness of body irradiation with red light in improving the quality of sleep of elite female basketball players and offered a nonpharmacologic and noninvasive therapy to prevent sleep disorders after training.

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Intermittent-Sprint Performance and Muscle Glycogen after 30 h of Sleep Deprivation

Abstract: Sleep loss and associated reductions in muscle glycogen and perceptual stress reduced sprint performance and slowed pacing strategies during intermittent-sprint exercise for male team-sport athletes.

Cited by 139 publications

References 36 publications

Stress, Sleep and Recovery in Elite Soccer: A Critical Review of the Literature

Stress, Sleep and Recovery in Elite Soccer: A Critical Review of the Literature

Sleep Hygiene and Recovery Strategies in Elite Soccer Players

Red Light and the Sleep Quality and Endurance Performance of Chinese Female Basketball Players

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