Residual symptoms after natural remission of insomnia: associations with relapse over 4 years

Study Objectives Chronic insomnia tends to “wax and wane” over lifetime. The presence of residual insomnia symptoms is common, especially among naturally remitted individuals. This study aims to examine the features of these residual symptoms and their potential association with future relapse. Methods A population-based data set on the natural history of insomnia was used for this secondary analysis. Residual insomnia symptoms were investigated...