RecruitingDevice studyForehead Temperature-Regulating Therapy for Insomnia in Adults With Tourette's DisorderThe primary aim of the present research project is to investigate the preliminary effects of four weeks of forehead temperature-regulating therapy on insomnia in adults with Tourette's disorder and co-occurring insomnia disorder. This project will also examine the effects of the device on depression, anxiety, and daytime sleepiness, and explore its effects on tic severity.