How to treat patients with chronic insomnia? The contribution of clinical psychology. Portuguese Journal of Family Medicine and General Practice, [S. l.], v. 22, n. 5, p. 635–44, 2006. DOI: 10.32385/rpmgf.v22i5.10290. Disponível em: https://rpmgf.pt/ojs/index.php/rpmgf/article/view/10290. Acesso em: 17 apr. 2026.