POPCZYK, Michał et al. The Impact of Blue Light Exposure on Cortisol Secretion and Psychophysiological Readiness in Sport. Quality in Sport, [S. l.], v. 52, p. 68902, 2026. DOI: 10.12775/QS.2026.52.68902. Disponível em: https://apcz.umk.pl/QS/article/view/68902. Acesso em: 21 feb. 2026.