TUNIK. The Relationship of Children’s Sleep Patterns with Learning Concentration Levels in Children aged 7-12 Years. Professional Evidence-based Research and Advances in Wellness and Treatment , [S. l.], v. 3, n. 1, p. 26–37, 2026. DOI: 10.69855/perawat.v3i1.432. Disponível em: https://gpijournal.com/index.php/perawat/article/view/432. Acesso em: 28 jan. 2026.