DWOJACZNY, B.; CZAJ, P.; CIEŚLICKA, M.; ZŁOMAŃCZUK, P. Time of day and cognitive performance in university students: implications for learning and higher education. Physical Education of Students, [S. l.], v. 30, n. 5, p. 260–267, 2026. DOI: 10.15561/20755279.2026.0502. Disponível em: https://sportedu.org.ua/index.php/PES/article/view/2556. Acesso em: 21 aug. 2026.