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Chang, A.M., Aeschbach, D., Duffy, J.F. and Czeisler, C.A. (2015) Evening Use of Light-Emitting eReaders Negatively Affects Sleep, Circadian Timing, and Next-Morning Alertness. Proceedings of the National Academy of Sciences of the United States of America, 112, 1232-1237.
https://doi.org/10.1073/pnas.1418490112

has been cited by the following article:

• TITLE: Differences in Physical and Psychological Condition, Sleeping Status and Menstruation-Related Symptoms before and after Smartphones Use in Young Female Students in Japan

  AUTHORS: Yukie Matsuura, Takane Morita, Momoko Sekimoto, Ayaka Maeda, Toshiyuki Yasui

  KEYWORDS: Smartphone, Visual Display Terminal, Menstruation-Related Symptoms, Physical and Psychological Symptoms, Young Students

  JOURNAL NAME: Health, Vol.12 No.4, April 27, 2020

  ABSTRACT: Smartphones use for a long period of time can cause health problems including physical condition, psychological condition and sleeping status. In addition, smartphones use may affect menstruation related symptoms. This study was conducted using a self-administered questionnaire between June and November in 2016 to clarify the differences in physical and psychological condition, sleeping status and menstruation-related symptoms before and after starting to use smartphones in female university students in Japan. We recruited 273 female nursing students and the response rate was 95.2%. We found significant changes after starting to use smartphones regarding eyestrain (p