The Relationship Between Sleep Quality Heart Rate Variability (HRV) and Functional Recovery in Players at the Samarra Basketball Club. Jurnal Pendidikan Kepelatihan Olahraga: PEJUANG, [S. l.], v. 2, n. 2, p. 221–229, 2026. DOI: 10.66968/f457bc03. Disponível em: https://journalpejuang.web.id/index.php/jurnalpkopejuang/article/view/128. Acesso em: 24 jun. 2026.