In a single site, 2-arm (Bright Light Therapy group; Dim Light Group), parallel, randomized controlled trial we will enroll 60 subjects (n=30 per group) to assess the effects of Bright Light Therapy compared to Dim Light Therapy in subjects with end stage kidney disease who are receiving hemodialysis to treat fatigue.
* To compare the effects of bright light therapy to dim light therapy on fatigue severity.
* To explore the effects of bright light therapy to dim light therapy on salivary cortisol.
* To compare the effects of bright light therapy to dim light therapy on insomnia, depression and quality of life.
* To test the effects on bright light therapy to dim light therapy on physical activity levels.