To conduct a cross-sectional study to investigate the relationship between nighttime urinary frequency and sleep problems in Japanese adolescents.
A self-administered questionnaire survey was conducted among 1757 adolescents (mean age 15.
To conduct a cross-sectional study to investigate the relationship between nighttime urinary frequency and sleep problems in Japanese adolescents.
A self-administered questionnaire survey was conducted among 1757 adolescents (mean age 15.