Also consider light therapy -- a quick look at your profile indicates that you're in Seattle, and SAD sneaks up on you pretty quick this time of year. Now is when it's starting to hit hard. Although some people get it more than most, many people are affected by it at least to some degree.

A light therapy lamp has given me the best return on investment of any product I have purchased ever. http://www.amazon.com/gp/product/B000C15P7A/