Effect of an Internet–Delivered Cognitive Behavioral Therapy–Based Sleep Improvement App for Shift Workers at High Risk of Sleep Disorder: Single-Arm, Nonrandomized Trial

Asami Ito-Masui   ¹ , MD, PhD ;   Ryota Sakamoto   ² , PhD ;   Eri Matsuo   ³ , BSc ;   Eiji Kawamoto   ¹ , MD, PhD ;   Eishi Motomura   ⁴ , MD, PhD ;   Hisashi Tanii   ⁵ , MD, PhD ;   Han Yu   ⁶ , ME ;   Akane Sano   ⁶ , PhD ;   Hiroshi Imai   ¹ , MD, PhD ;   Motomu Shimaoka   ³ , MD, PhD

¹ Emergency and Critical Care Center, Mie University, Tsu, Japan

² Department of Medical Informatics, Mie University Hospital, Tsu, Japan

³ Department of Molecular Pathology & Cell Adhesion Biology, Mie University Graduate School of Medicine, Tsu, Japan

⁴ Department of Neuropsychiatry, Mie University Graduate School of Medicine, Tsu, Japan

⁵ Center for Physical & Mental Health, Mie University, Tsu, Japan

⁶ Department of Electrical & Computer Engineering, Rice University, Houston, TX, United States