The prevalence of insomnia and restless legs syndrome among Japanese outpatients with rheumatic disease: A cross-sectional study

Kayoko Urashima; Kunihiro Ichinose; Hideaki Kondo; Takahiro Maeda; Atsushi Kawakami; Hiroki Ozawa

doi:10.1371/journal.pone.0230273

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Open Access

Peer-reviewed

Research Article

The prevalence of insomnia and restless legs syndrome among Japanese outpatients with rheumatic disease: A cross-sectional study

Kayoko Urashima ,

Contributed equally to this work with: Kayoko Urashima, Kunihiro Ichinose, Hideaki Kondo

Roles Data curation, Writing – original draft

Affiliation Department of Neuropsychiatry, Medical and Dental Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
⨯
Kunihiro Ichinose ,

Contributed equally to this work with: Kayoko Urashima, Kunihiro Ichinose, Hideaki Kondo

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Resources, Supervision, Writing – original draft, Writing – review & editing

* E-mail: kichinos@nagasaki-u.ac.jp

Affiliation Division of Advanced Preventive Medical Sciences, Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan

http://orcid.org/0000-0001-8794-7106

⨯
Hideaki Kondo ,

Contributed equally to this work with: Kayoko Urashima, Kunihiro Ichinose, Hideaki Kondo

Roles Conceptualization, Investigation, Methodology, Supervision, Writing – review & editing

Affiliations Department of General Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan, International Institute for Integrative Sleep Medicine, University of Tsukuba, Tsukuba, Japan

http://orcid.org/0000-0003-0856-6650

⨯
Takahiro Maeda,

Roles Project administration, Supervision, Validation

Affiliation Department of General Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
⨯
Atsushi Kawakami,

Roles Funding acquisition, Supervision, Validation, Visualization

Affiliation Division of Advanced Preventive Medical Sciences, Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
⨯
Hiroki Ozawa

Roles Funding acquisition, Resources, Supervision, Validation, Visualization

Affiliation Department of Neuropsychiatry, Medical and Dental Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
⨯

The prevalence of insomnia and restless legs syndrome among Japanese outpatients with rheumatic disease: A cross-sectional study

Kayoko Urashima,
Kunihiro Ichinose,
Hideaki Kondo,
Takahiro Maeda,
Atsushi Kawakami,
Hiroki Ozawa

Published: March 20, 2020
https://doi.org/10.1371/journal.pone.0230273

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