A single site, 3-arm (CBT-I group; Bright Light Therapy group; Standard of Care group), parallel, randomized controlled trial in subjects with insomnia, fatigue and PAH will be conducted.

Primary Objective

To assess the feasibility (recruitment and retention rates) of CBT-I and Bright Light Therapy in patients with PAH. Secondary Objectives

        To compare the effects of CBT-I and Bright Light Therapy to Standard of Care on insomnia and fatigue severity and wake after sleep onset and sleep onset latency outcomes.
        To test the effects of CBT-I and Bright Light Therapy to Standard of Care on physical activity.
        To test the effects of CBT-I and Bright Light Therapy to Standard of Care on: depression, dyspnea and QOL. Primary outcome feasibility (recruitment and retention rates) of CBT and bright light therapy To compare the effects of CBT-I and Bright Light Therapy to Standard of Care on insomnia and fatigue severity and wake after sleep onset and sleep onset latency outcomes.
        To test the effects of CBT-I and Bright Light Therapy to Standard of Care on physical activity.
        To test the effects of CBT-I and Bright Light Therapy to Standard of Care on: depression, dyspnea and QOL.

You may be eligible for this study if you meet the following criteria:

• Conditions: Medical Research
• Age: - 99 Years
• Gender: All