National data showed that delayed sleep in six-year-old children was associated with excessive use of electronic devices at 12 years
Acta Paediatrica 107 8 2018: p. 1439-1448
Inoue, S.; Kato, T.; Yamakawa, M.; Yorifuji, T.
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Subjects: Adolescents, Mobile Devices, School-Age Children, Screen Media Use, Screen Time/Sedentary Behavior, Sleep, Tweens