Yes the light box helped , but don't use it late evening , it could affect your sleep. My poor daughters still remember how I would go house hunting come spring , the rise in energy and the lifting of depression was just wonderful . I learned to accept being a bit of a wee hedgehog Ziggy, not giving in completely but accepting come winter my energy levels were low and not being annoyed with myself . Do get out of doors for at least twenty minutes every day for natural daylight to reach the back of your eyes and do not feel any guilt , no different to any physical ailment which slows you down. If The following makes you smile then good - I buy student diaries so the first page of January doesn't leap out at me at the start of the new year , and remember to think the third week of January brings a noticeable difference in lighting up times 