Disorders of arousal and sleep-related bruxism among Japanese adolescents: a nationwide representative survey.

摘要: Abstract Objective The main objective of our study was to clarify the prevalence disorders arousal (confusional arousals, sleepwalking, sleep terrors) and sleep-related bruxism (teeth grinding) their associated factors among Japanese adolescents. Methods Our designed as a cross-sectional sampling survey. targets were students attending junior senior high schools throughout Japan. questionnaire asked for personal data information on lifestyle, depressive state, status including frequency experiencing bruxism. Results A total 99,416 adolescents responded. overall response rate 63.7%, 98,411 questionnaires subjected analysis. 7.1% (95% confidence interval [CI], 6.9–7.3%) boys 7.7% CI, 7.5–7.9%) girls. 2.3% 2.2–2.4%) 3.0% 2.8–3.2%) with grade in school, smoking habit, alcohol consumption, naptime (min), breakfast participation club activities, duration, difficulty initiating sleep, nocturnal awakening, early morning subjective assessment, snoring, decrease positive feelings, depression (all p Conclusions If or are observed an adolescent, his her status, state should be considered.