Most parents are used to erratic sleep patterns and mood swings in their teenagers. When these occur in an adolescent with seizures, however, the parent may wonder if sleep and mood problems are related to seizures. Sorting out the cause and effects of sleep in an adolescent with seizures can be confusing. Since stress can be a contributor to both sleep problems and seizures and ways of managing stress and sleep may be similar, these topics are often addressed together in this age group. This article provides an overview of the role of sleep and stress in adolescents with seizures and ways to monitor and modify your teen's lifestyle as part of seizure management.