Prevalence of Anxiety and Insomnia Symptoms and Their Association with Academic Performance among Medical Students at Medical Universities in Kabul, Afghanistan: A Cross-Sectional Analytical Study. Shifa Scientific-Research Journal of Medical Sciences, [S. l.], v. 1, n. 2, 2026. Disponível em: https://sjms.shifa.edu.af/index.php/jms/article/view/61. Acesso em: 12 oct. 2026.