While I wait to get a referral for a sleep study and try to figure out what the heck is wrong with me, I was thinking of trying either one of those light boxes or dawn simulators, or even some full spectrum light bulbs, to see if they help at all with my energy levels, inability to wake, terrible fatigue and all the symptoms that revolve around my probable sleep issues. I do everything else I can, follow the sleep hygiene tips religiously, but I am suffering from severe fatigue and my sleep patterns are crazy--I won't go into detail because I have already done so in other posts, but my main reason for this post is to ask:

Has anyone ever tried any forms of light therapy or products such as dawn simulators or special lamps, etc, and have you had any success with them? What about full spectrum bulbs? I know they're not specifically for S.A.D, but I don't have S.A.D anyway. Light therapy is not usually mentioned for excessive daytime sleepiness, etc, but I wonder if they might help somehow.