Northern Lights Technologies provides bright light therapy for those suffering from Seasonal Affective Disorder (SAD), winter blues or from other circadian rhythm disorders. Northern Lights light therapy solutions are designed to help combat the fatigue and loss of energy that can be attributed to SAD. Night-shift workers and those who work in badly lit places can also benefit from SAD light therapy. All bright light units are manufactured in North America and meet all safety standards. Shop Northern Lights Technologies for powerful light boxes and lamps.