Sleep Quality and Its Relationship to Academic Performance among Students in Baghdad University Hostels. Journal Of Educational and Psychological Researches, [S. l.], v. 23, n. 89, p. 171–182, 2026. DOI: 10.52839/0111-000-089-014. Disponível em: https://www.jperc.uobaghdad.edu.iq/index.php/jperc/article/view/2320. Acesso em: 22 jul. 2026.