Chase away the winter blues by plugging in a light box and spending a few hours each day in front of it. When the snow is blowing outside, you can be getting your needed dose of sunshine inside with a plug in substitute. Seasonal Affective Disorder (SAD) can interfere with your work. A bright light box lamp may ease some of your discomfort.
light therapy products
Source: http://www.lighttherapyproducts.com/light_boxes.aspx