Abstract 8: Sleep disorders & problems in an elite super rugby union team

FEATURING: Ian C. Dunican
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Ian C. Dunican, Jennifer Walsh, Charles C. Higgins, Maddison J. Jones, Kathleen Maddison, John A. Caldwell, Hillman David & Peter R. Eastwood(2018) Prevalence of sleep disorders and sleep problems in an elite super rugby union team, Journal of Sports Sciences, DOI: 10.1080/02640414.2018.1537092

The aim of this study was to determine the prevalence of sleep disorders in an elite rugby union team using in-laboratory polysomnography (PSG) and sleep questionnaires. Twenty-five elite rugby union players underwent a night of PSG during the “off-season” of the Super Rugby competition to assess their sleep. Of interest were measurements that detected the presence of obstructive sleep apnea (OSA; apnea-hypopnea index ≥5 events/hr) and the presence of moderate-severe periodic leg movements during sleep (PLMs; ≥15 events/hr). Players completed sleep-related questionnaires to assess daytime sleepiness, the perception of insomnia, the risk of OSA, and the presence of restless legs syndrome (RLS) and underwent basic anthropometric assessments including body mass index and neck circumference. OSA was present in 24% (n=6) of players and PLMs ≥15 events/hr in 12% (n=3). Questionnaire responses showed that all players had insomnia defined subthreshold insomnia and excessive daytime sleepiness, two players were identified as being at risk for OSA and none were classified as having RLS. In conclusion, sleep disorders and excessive sleepiness are common in elite rugby union players. A process to identify and manage sleep disorders should be considered by teams to optimise their physical recovery, athletic performance and to safeguard their health.


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