https://www.selleckchem.com/products/bi-1347.html
OBJECTIVES The objective was to describe (1) the type, (2) the amount of use, and (3) the time of usage of electronic devices, for school days and weekends, as well as its impact on adolescents' sleep quality. DESIGN A cross-sectional study using hierarchical regressions accounting for confounding sleep-related variables was used. SETTING The participants were from six public schools in Porto Alegre, Brazil. PARTICIPANTS The participants included 177 students of both sexes aged between 11 and 18 years. MEASUREMENTS An electronic usage d
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