Investigating the impact of Alpha Binaural waves on sleep quality and daily performance of teachers aged 40 to 50 in the metropolis of Rasht. Development Engineering Conferences Center Articles Database, [S. l.], v. 2, n. 9, 2025. Disponível em: https://pubs.bcnf.ir/index.php/Articles/article/view/1195. Acesso em: 8 aug. 2026.