Relationships between temperaments, occupational stress, and insomnia among Japanese workers

• Yasuhiko Deguchi ,

  Contributed equally to this work with: Yasuhiko Deguchi, Shinichi Iwasaki

  * E-mail: m2012567@med.osaka-cu.ac.jp

  Affiliation Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan

  http://orcid.org/0000-0002-5320-6569

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• Shinichi Iwasaki ,

  Contributed equally to this work with: Yasuhiko Deguchi, Shinichi Iwasaki

  Affiliation Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan

  ⨯
• Hideyuki Ishimoto ,

  ¶‡ These authors also contributed equally to this work

  Affiliation Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan

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• Koichiro Ogawa ,

  ¶‡ These authors also contributed equally to this work

  Affiliation Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan

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• Yuichi Fukuda ,

  ¶‡ These authors also contributed equally to this work

  Affiliation Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan

  ⨯
• Tomoko Nitta ,

  ¶‡ These authors also contributed equally to this work

  Affiliation Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan

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• Tomoe Mitake ,

  ¶‡ These authors also contributed equally to this work

  Affiliation Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan

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• Yukako Nogi ,

  ¶‡ These authors also contributed equally to this work

  Affiliation Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan

  ⨯
• Koki Inoue

  ¶‡ These authors also contributed equally to this work

  Affiliation Department of Neuropsychiatry, Osaka City University, Graduate School of Medicine, Osaka, Japan

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