KUREK, Justyna et al. Blue light emitted from digital devices - impact on our sleep. Journal of Education, Health and Sport, [S. l.], v. 40, n. 1, p. 68–82, 2023. DOI: 10.12775/JEHS.2023.40.01.007. Disponível em: https://apcz.umk.pl/JEHS/article/view/44026. Acesso em: 8 jul. 2025.