Computerized Cognitive Behavioral Therapy Trial for Insomnia in Parkinson Disease

Every patient will have a unique password to access to CCBT-I. The program consists of 5 cores: sleep log, day's lesson, activities, relaxation and progress. Each day, the patients fill in sleep logs before getting the day's lesson. Filling sleep log will be reminded daily by the program coach from Sleep Center.

Reading material only including recommendations about sleep hygiene, stimulus control and sleep restriction. Access to the CCBT-I program through the internet (Cleveland Clinic Wellness Go! To Sleep six-week online program), if proven effective, after the study is completed.