A Lightbar sign is visible under special red lights in Portland, Ore., Thursday, Dec. 19, 2013. Designed to mimic sunlight, light boxes are now being featured the bar and a cafe in Seattle to help ... more 
A Lightbar sign is visible under special red lights in Portland, Ore., Thursday, Dec. 19, 2013. Designed to mimic sunlight, light boxes are now being featured the bar and a cafe in Seattle to help those with seasonal affective disorder, or SAD, an energy-sapping depression that occurs at the same time each year and affects an estimated 3 percent to 5 percent of Americans. (AP Photo/Don Ryan) less 
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Associated Press | Photo By Don Ryan
Fri, Dec 20, 2013 2:20 AM EST