A Dose Selection Trial of Light Therapy for Impaired Sleep in Parkinson's Disease
The purpose of the study is to learn more about sleep problems in patients with Parkinson's disease (PD). Specifically, the study is trying to determine if light therapy can help improve sleep problem and if so, to determine the right dose.
Dr. Susan Criswell
1. Participants must be age 45 or older
2. Participants must have diagnosed PD
For more information about this study, contact Volunteer for Health at: