Well, maybe. This isn't entirely proven yet, but it'd be worth a try, and it's much less awful than the 10 hours of total darkness. Using amber tinted sunglasses that prevent all un-filtered light from hitting your eyes might be just as effective. So, the idea is to wear the tinted sunglasses for (10-x) hours when you sleep x hours (and have a dark room for sleeping, too.) Please try it and get back to this thread! http://www.ncbi.nlm.nih.gov/pubmed/15654938 Demonstration that dark therapy is effective for bipolar disorder. http://psycheducation.org/depression/darkrx.htm Description of dark therapy in more detail for the layperson. http://www.ncbi.nlm.nih.gov/pubmed/17637502 Theory proposing that amber glasses should work instead of complete darkness, based on neuroscience.