Habitual sleep patterns of junior elite athletes in cross-country skiing and biathlon: A descriptive study

Hrozanova, Maria; Moen, Frode; Myhre, Kenneth; Klöckner, Christian A.; Pallesen, Ståle

doi:10.1080/2331205x.2018.1548549

Cited by 6 publications

(10 citation statements)

References 49 publications

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“…Currently, there is no consensus in the literature on the amount of sleep athletes are obtaining. A recent review paper on sleep in athletes has shown similar sleep durations (O'Donnell et al, 2018) while another study in junior athletes has shown significantly longer sleep durations (Hrozanova et al, 2018). Furthermore, the sleep/wake times detected in the current study show that sleep starts later at night and ends later in the morning than what was found among junior athletes in earlier studies (Hrozanova et al, 2018).…”

Section: A Minimum Of the Recommended Sleepsupporting

confidence: 63%

“…A recent review paper on sleep in athletes has shown similar sleep durations ( O’Donnell et al, 2018 ) while another study in junior athletes has shown significantly longer sleep durations ( Hrozanova et al, 2018 ). Furthermore, the sleep/wake times detected in the current study show that sleep starts later at night and ends later in the morning than what was found among junior athletes in earlier studies ( Hrozanova et al, 2018 ). Future research should investigate the possible role played by the extent of blue light chess players are exposed to.…”

Section: Discussionmentioning

confidence: 99%

“…Holding consistent sleep/wake patterns, with regular timings of sleep onset and sleep offset, is one of the most important pillars of good sleep hygiene and adequate sleep quality (Brown et al, 2002). However, results from earlier studies show that athletes have highly variable sleep patterns, especially when comparing weekdays and weekends (Hrozanova et al, 2018).…”

Section: Regular Sleep Patternsmentioning

confidence: 99%

“…The P− group had a mean RT score of 2232 at May 31st (std = 220, min = 1809, and max = 2569), whereas the P+ group had a mean RT score of 2288 (std = 81, min = 2118, and max = 2376). Since a stable sleep pattern across time was found to be important (Hrozanova et al, 2018) the analysis in the current study was separated into weekdays and weekends. Table 3 shows the sleep variables in the two groups during weekdays, while Table 4 shows the sleep variables in the two groups during weekends.…”

Section: Performance Development and Sleep Patternsmentioning

confidence: 99%

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Associations Between Sleep Patterns and Performance Development Among Norwegian Chess Players

2020

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An inherent part of elite-level chess are high emotional and cognitive stress loads related to performance development. Sleep is a crucial recovery strategy, previously implicated in athletic performance. The main purpose of the current study was to investigate the associations between performance development and objectively measured sleep in a sample of 14 Norwegian chess players over a period of 120 consecutive days. Seven of the chess players in the current sample had negative development in their International Chess Federation (FIDE) ranking score in the period of sleep monitoring, while 7 had positive development. The sleep patterns of the chess players with positive performance development were different from the players with negative development-with higher amounts of deep sleep, less rapid eye movement (REM) sleep and lower respiration rate in the positive performance development group compared to the negative performance development group. The findings are discussed in terms of existing knowledge on the importance of sleep stage distribution and sleep durations for athlete functioning, and in light of applied implications and possible future research.

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Section: A Minimum Of the Recommended Sleepsupporting

confidence: 63%

Section: Discussionmentioning

confidence: 99%

Section: Regular Sleep Patternsmentioning

confidence: 99%

Section: Performance Development and Sleep Patternsmentioning

confidence: 99%

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Associations Between Sleep Patterns and Performance Development Among Norwegian Chess Players

2020

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“…Recently, a full validation of Somnofy against manually scored PSG has shown Somnofy to be an adequate measure of sleep and wake, as well as sleep stages, in a healthy adult population (Toften et al, 2020 ). Sleep studies in athletes, investigating the associations between sleep variables, sleep stages, and physical and mental loads, have shown the Somnofy to be appropriate for use in athletic populations (Hrozanova et al, 2018 , 2020 ; Moen et al, 2020 ).…”

Section: Methodsmentioning

confidence: 99%

Variations in Elite Female Soccer Players' Sleep, and Associations With Perceived Fatigue and Soccer Games

Moen

Olsen

Halmøy

et al. 2021

Front. Sports Act. Living

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The current study investigated the associations between female perceived fatigue of elite soccer players and their sleep, and the associations between the sleep of players and soccer games. The sample included 29 female elite soccer players from the Norwegian national soccer team with a mean age of ~26 years. Perceived fatigue and sleep were monitored over a period of 124 consecutive days. In this period, 12.8 ± 3.9 soccer games per player took place. Sleep was monitored with an unobtrusive impulse radio ultra-wideband Doppler radar (Somnofy). Perceived fatigue was based on a self-report mobile phone application that detected daily experienced fatigue. Multilevel analyses of day-to-day associations showed that, first, increased perceived fatigue was associated with increased time in bed (3.6 ± 1.8 min, p = 0.037) and deep sleep (1.2 ± 0.6 min, p = 0.007). Increased rapid eye movement (REM) sleep was associated with subsequently decreased perceived fatigue (−0.21 ± 0.08 arbitrary units [AU], p = 0.008), and increased respiration rate in non-REM sleep was associated with subsequently increased fatigue (0.27 ± 0.09 AU, p = 0.002). Second, game night was associated with reduced time in bed (−1.0 h ± 8.4 min, p = <0.001), total sleep time (−55.2 ± 6.6 min, p = <0.001), time in sleep stages (light: −27.0 ± 5.4 min, p = <0.001; deep: −3.6 ± 1.2 min, p = 0.001; REM: −21.0 ± 3.0 min, p = <0.001), longer sleep-onset latency (3.0 ± 1.2 min, p = 0.013), and increased respiration rate in non-REM sleep (0.32 ± 0.08 respirations per min, p = <0.001), compared to the night before the game. The present findings show that deep and REM sleep and respiration rate in non-REM sleep are the key indicators of perceived fatigue in female elite soccer players. Moreover, sleep is disrupted during game night, likely due to the high physical and mental loads experienced during soccer games. Sleep normalizes during the first and second night after soccer games, likely preventing further negative performance-related consequences.

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Chronotype and quality of sleep in alpine skiers

Costa

Ré

2023

Chronobiology International

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Habitual sleep patterns of junior elite athletes in cross-country skiing and biathlon: A descriptive study

Cited by 6 publications

References 49 publications

Associations Between Sleep Patterns and Performance Development Among Norwegian Chess Players

Associations Between Sleep Patterns and Performance Development Among Norwegian Chess Players

Variations in Elite Female Soccer Players' Sleep, and Associations With Perceived Fatigue and Soccer Games

Chronotype and quality of sleep in alpine skiers

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