KUREK, Justyna, GADOMSKA, Anna, GORZYŃSKI, Rafał, MOLCZYK-SIEŃCZAK, Justyna, GARSTKA, Michał, DOMINIK, Hanna, CZUDY, Zuzanna, PAWĘSKA, Wojciech, RADWAŃSKI, Jan and POLATOWSKA, Marika. Blue light emitted from digital devices - impact on our sleep. Journal of Education, Health and Sport. Online. 21 June 2023. Vol. 40, no. 1, pp. 68-82. [Accessed 7 July 2025]. DOI 10.12775/JEHS.2023.40.01.007.