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Suguru Nakajima

2 papers in the library · 1 citation · publishing 2025-2026

Papers

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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