The association of perceived stress and physical activity levels with sleep quality among sports science students. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, [S. l.], v. 12, n. 2, p. 212–230, 2026. DOI: 10.29407/js_unpgri.v12i2.28322. Disponível em: https://ojs.unpkediri.ac.id/index.php/pjk/article/view/28322. Acesso em: 22 aug. 2026.