Table of Contents
Sports, Volume 6, Issue 2 (June 2018)
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Cover Story (view full-size image) Researchers examined the effects of sleep extension on sleep variables, immune function, stress [...] Read more. Researchers examined the effects of sleep extension on sleep variables, immune function, stress hormone changes, and reaction time performance in professional rugby players during a pre-season training phase. Sleep extension resulted in improvements in sleep variables, cortisol levels, and mean reaction times. The researchers concluded that professional rugby players are at risk of poor sleep during pre-season training. Implementing a sleep extension program among professional athletes is recommended to improve sleep, with beneficial changes in stress hormone secretion and reaction time performance. View this paper.