Figure 1. Black lines denote mean values and standard deviations. EG: experimental group; CG: control group; p: p-value; n.s.: not significant; PRE: before training; POST: after training; POST 1: before going to bed; CAR: cortisol awaking response; **: p <0.01 POST vs PRE EG intragroup differences; *: p <0.05 POST1 vs PRE EG intragroup differences; ****: p <0.0001 CAR vs PRE EG intragroup differences; ## p <0.01 POST vs PRE CG intragroup differences; #: p <0.05 POST1 vs PRE CG intragroup differences; ####: p <0.0001 CAR vs PRE CG intragroup differences; §§§§: p <0.0001 CAR intergroup differences.