A full spectrum light is a perfect non-invasive way to improve depression, mood swings and sleeping problems through light therapy. Therapeutic lighting is medically proven to be an effective way to both improve mood and sleep pattern and be easier on the eyes than a normal lamp. At CSN Lighting, you can choose your therapeutic lighting from quality manufacturers, such as Northern Light and Sunbox. Now through February 31, take 10% off all Therapeutic Lamps. Enter SADLIGHT10 at checkout!