I'm thinking of this now because I feel kinda funny right now and I think this is why. I have symptoms of seasonal affect disorder; it's not generally severe enough to dx but I defintely feel icky during winter when it gets dark early. Sometimes I'll feel almost faint, but that's only at the absolute darkest days of the winter. Anyway, I've found I can perk myself up quite a bit by turning on every light in the room. (There are three, one bulb each, in my living room, where I usually am while awake)/ I know it's wasteful, but it saves money on antidepressants! Has anyone else done this/tried this? I thought I'd mention it because it's kind of helpful and an easy fix, "wasteful" or no.