The effect of a daytime 60-min nap opportunity on postural control in highly active individuals - Ammar, A.; Boukhris, O.; Hsouna, H.; Ben Dhia, I.; Trabelsi, K.; Gujar, T. A.; Clark, C. C. T.; Chtourou, H.; Driss, T.; Hoekelmann, A. (Biology of Sport, 2021)