Graduate School of Health Sciences;
Tokushima University;
Tokushima;
Japan;
Institute of Biomedical Sciences;
Tokushima University;
Tokushima;
Japan;
Department of Educational Psychology;
Shujitsu University;
Okayama;
Japan;
Faculty of Medical Welfare;
Kawasaki University of Medical Welfare;
Okayama;
Japan;
Elementary; Students; Lifestyle; Habits; Multimedia; Use; Sleep; Quality; Body; Temperature;