Daily Collection of Self-Reporting Sleep Disturbance Data via a Smartphone App in Breast Cancer Patients Receiving Chemotherapy: A Feasibility Study

Yul Ha Min   ¹ , RN, PhD ;   Jong Won Lee   ^{2, 3} , MD ;   Yong-Wook Shin   ⁴ , MD, PhD ;   Min-Woo Jo   ⁵ , MD, PhD ;   Guiyun Sohn   ² , MD ;   Jae-Ho Lee   ⁶ , MD, PhD ;   Guna Lee   ⁷ , RN, MPH ;   Kyung Hae Jung   ⁸ , MD, PhD ;   Joohon Sung   ³ , MD, PhD ;   Beom Seok Ko   ² , MD, PhD ;   Jong-Han Yu   ² , MD ;   Hee Jeong Kim   ² , MD, PhD ;   Byung Ho Son   ² , MD, PhD ;   Sei Hyun Ahn   ² , MD, PhD

¹ Seoul National University College of Nursing, Seoul, Republic of Korea

² Department of Surgery, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea

³ Department of Epidemiology, School of Public Health and Institute of Health and Environment, Seoul National University, Seoul, Republic of Korea

⁴ Asan Medical Center, Department of Psychiatry, University of Ulsan College of Medicine, Seoul, Republic of Korea

⁵ Department of Preventive Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea

⁶ Department of Emergency Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea

⁷ Medical Information Administration Team, Asan Medical Center, Seoul, Republic of Korea

⁸ Department of Oncology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea