Sousa, A.S., Botelho, A., Teixeira, A. and Wanderley, F. 2026. DIGITAL SCREEN DEVICE AND INTERNET USE AND SLEEP DISTURBANCES: A SYSTEMATIC REVIEW OF THE EVIDENCE (2014–2020). PsychTech & Health Journal. 9, 2 (Mar. 2026), 40-57. DOI:https://doi.org/10.26580/PTHJ.art85-2026.