The Effect Of Sleep Quality On Adolescent Depressive Emotion: The Mediating Effect Of Emotion Regulation Strategies

Depression will not only damage the physical and mental health of young people,but also bring a lot of trouble to young people's learning and life.Recently,many studies have investigated that the quality of sleeping could influence individual's depression.However,at present,there are rare studies referred to effect mechanism of quality of sleeping on individual's depression.The present study chose teenagers as subjects,planed from the emotion regulation view to explore the effect of quality of sleeping on teenager's depression.The study one chose teenagers(N=597,aged13-17)as subjects,used the Pittsburgh Sleep Quality Index,Beck Depression Inventory and Adolescent Self-Rating Life Events Check List,explored the relationship of teenager's sleeping quality and depression.The result found that there was a significant positive correlation between sleeping quality and depression in teenagers.After controlling the demographic variables and life event variables about teenagers,teenager's sleeping quality had predictive effect on depression.The study two also chose teenagers(N=611,aged13-19)as subjects,adopted the Pittsburgh Sleep Quality Index,Beck Depression Inventory and Emotion Regulation Questionnaire explored the relation of teenager's sleeping quality,depression and emotional adjustment strategy.The result showed that there was a significantly positive correlation between depression score and expressive suppression strategy using frequency,a significantly negative correlation between depression score and cognitive reappraisal strategy using frequency.In addition,the cognitive reappraisal strategy of emotional adjustment strategy partly played a mediation role in teenager's sleeping quality total score and depression,and also played a mediation role between depression and subjective sleeping quality,falling sleep time,sleeping time,somnipathy,the frequency of hypnotic drugs and dysfunction in daytime of adolescents.The results investigated that adolescents' sleeping quality had significantly predictive effect on depression,cognitive reappraisal strategy partly played a mediation role between depression and subjective sleeping quality,falling sleep time,sleeping time,somnipathy,the frequency of hypnotic drugs,dysfunction in daytime and sleeping quality total score of teenagers.