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Abstract
The aim of this study was to investigate the influence of 24-h sleep deprivation on the muscle strength of young, healthy and physically fit people. The research material consisted of physical education students. In total, 67 people participated in the study, including 38 women and 29 men. Respondents were divided into an experimental group “E” of 44 persons subjected to 24-h sleep deprivation and a control group “C” of 23 persons. Students completed the Epworth Sleepiness Scale (ESS) measuring daytime sleepiness. Students performed measurements of the maximum strength of knee joint extensor and flexor muscles. Measurements of muscle strength of flexors and extensors of the knee were taken on a UPR-02 A/S chair with Moment II by Sumer software. ANOVA (analysis of variance) was used to determine the significance of differences between experimental “E” and control “C” group. Statistical significance was defined at the level of p ≤ 0.05. Statistically significant differences were observed in the change of strength levels between groups at the strength moments of right (p < 0.05, η2p = 0.16) and left (p < 0.05, η2p = 0.08) knee muscles extensor. Changes in extensor muscle strength are significant for students with left dominant legs.
Highlights
There seems to be sufficient evidence to suggest total sleep deprivation can have a significant negative impact on sports performance, the effects of partial sleep deprivation are more contradictory [1]
The findings suggest that 24-h sleep deprivation impact on knee muscle strength but with a different effect on knee extensors and flexors
The results obtained in this study show that the influence of sleep deprivation on the muscle may be different for extensor and flexor muscles, as well as that it can differ between women and men
Summary
There seems to be sufficient evidence to suggest total sleep deprivation can have a significant negative impact on sports performance, the effects of partial sleep deprivation are more contradictory [1]. Azboy and Kaygisiz [3] suggest that one-night sleep deprivation may reduce exercise performance by decreasing exercise minute ventilation (VE) and time to exhaustion. They report that sleep loss may decrease the performance of volleyball players more than that of runners. One night of sleep deprivation does not have a statistically significant effect on the anaerobic capacity. Rodgers et al [5] investigated the effect of 48 h of sleep deprivation on the performance of selected physical tasks with a load of 30–45% VO2 max. Consecutive nights of sleep restriction could reduce the force output of multi-joint, but not single-joint movements [9]
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