Sleep problems, sleep duration, and use of digital devices among primary school students in japan

HIGHLIGHTS

• who: Naoko Sakamoto from the Faculty of Nursing, Toho University, Omoriu2011nishi, Ohtau2011ku, Tokyo, u20110015, Japan have published the article: Sleep problems, sleep duration, and use of digital devices among primary school students in Japan, in the Journal: (JOURNAL)
• what: The authors focused not only on sleep duration but also on sleep problems. Self-administered, anonymous questionnaires and documents explaining the research purpose and ethical considerations were distributed at the schools. The percentage of children with a threshold of u226524 was 59.4% in the present study, compared to 53.5% in that 2017 study . The . . .
  

   

  

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