Chtourou, Hamdi, et al. “Nap Opportunity As a Strategy to Improve Short-Term Repetitive Maximal Performance During the 5-M Shuttle Run Test: A Brief Review”. International Journal of Sport Studies for Health, vol. 2, no. 2, Oct. 2019, pp. 1-4, https://doi.org/10.61838/kman.intjssh.2.2.1.