Sleep quality and sleep disturbances in healthy children in Gaia: a cross sectional study. Portuguese Journal of Family Medicine and General Practice, [S. l.], v. 31, n. 4, p. 256–64, 2015. DOI: 10.32385/rpmgf.v31i4.11553. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/11553. Acesso em: 18 apr. 2026.