Leandro Y. Mano, Igor G. Oliveira, Luana O. Sawada, Bruno S. Faiçal and Jó Ueyama (2020) “IoT-Based System Monitoring of the Sleep Environment - A Study Aimed at the Elderly ”, International Journal of Robotics and Automation Technology, 7, pp. 1–7. doi: 10.31875/2409-9694.2020.07.1.