Skip to content

Yuichiro Otsuka

3 papers in the library · 1 citation · publishing 2021-2026

Papers

Sort Most recent Most cited

Dream experiences and associated sleep, mental health, and lifestyle factors in Japanese adolescents: a cross-sectional study

Sleep Epidemiology September 29, 2026 Yuki Tanaka, Yuichiro Otsuka, Suguru Nakajima et al.

Dream experiences have been associated with emotional and mental health characteristics; however, epidemiological evidence among adolescents remains limited. This study examined dream experiences and their associations with sleep, mental health, and lifestyle factors among students from participating high schools in one prefecture in western Japan. A school-based, non-random, cross-sectional...

Association Between Dreams, Anxiety, and Depressive Symptoms Among Japanese Adolescents: A Cross-Sectional Study

Clocks & Sleep June 26, 2025 Y. Tanaka, Yuichiro Otsuka, Suguru Nakajima et al. 1 citation

Worsening adolescent mental health is a significant social issue. Although dreams may reflect one's mental state, few studies have focused on adolescents. Therefore, this study investigated the relationship between dream content and mental health, specifically anxiety disorder and depressive symptoms, among Japanese adolescents. This cross-sectional study obtained data on gender, grade, age,...

DOI: 10.3390/clockssleep7030034 (opens in new tab) Anxiety Bedtime Rumination Clinical psychology +6

A Nationwide Cohort Study of Parasomnias Among Adolescents.

The Journal of Clinical Psychiatry July 6, 2021 Yu Kinoshita, Osamu Itani, Yuichiro Otsuka et al.

Objective: To elucidate the incidence rates and predictive factors for parasomnias (disorders of arousal, nightmare, and sleep paralysis) in adolescents. Methods: This was a prospective cohort study of high school students. In 2010, we conducted a baseline survey of first-year students enrolled in randomly selected Japanese schools (10 junior high schools and 14 senior high schools); 2 years...