Comparison of Polysomnography, Single-Channel Electroencephalogram, Fitbit, and Sleep Logs in Patients With Psychiatric Disorders: Cross-Sectional Study

Keita Kawai   ¹ , MEd ;   Kunihiro Iwamoto   ¹ , MD, PhD ;   Seiko Miyata   ¹ , PhD ;   Ippei Okada   ¹ , MD, PhD ;   Hiroshige Fujishiro   ¹ , MD, PhD ;   Akiko Noda   ² , PhD ;   Kazuyuki Nakagome   ³ , MD, PhD ;   Norio Ozaki   ^{1, 4} , MD, PhD ;   Masashi Ikeda   ¹ , MD, PhD

¹ Department of Psychiatry, Nagoya University Graduate School of Medicine, Nagoya, Japan

² Department of Biomedical Sciences, Chubu University Graduate School of Life and Health Sciences, Kasugai, Japan

³ Department of Psychiatry, National Center of Neurology and Psychiatry, Kodaira, Japan

⁴ Pathophysiology of Mental Disorders, Nagoya University Graduate School of Medicine, Nagoya, Japan