Association between smartphone use, sleep deprivation, and self‐rated health outcomes: A retrospective observational survey in rural Japan
Yoshio Hisata, Sakiya Nishida, Mamoru Urayama, Hiroshi Sekine, Takashi Sugioka, Risa Hirata, Naoko E Katsuki, Masaki Tago, Yuki Ueda, Masaki Amenomori, Katsumi Higashino, Yoshio Naya
Journal of general and family medicine