a few others...
http://www.dogsforthedeaf.org/
http://www.goldenearsdogs.org/
https://www.pawswithacause.org/i-want-a-dog/hearing-dogs
http://www.deafwebsites.com/resources/service-dogs-for-deaf.html
I know someone who trained her American Eskimo to be a hearing ear dog (though not sure how or through what program etc...)
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Re SAD- natural sunlight or proper lights is best.. I'd be avoiding the tanning booths as they are known to cause or contribute to other health issues.
