A number of people use Modafinil (ie Provigil) to reduce symptoms. Some wish to use it, but find that it is too expensive. I recently stumbled across the following information while looking into another topic.
I am NOT recommending or even suggesting anyone try the below, just highlighting the fact. I personally will be sticking to Modafinil manufactured for human consumption. This is a research chemical.https://en.wikipedia.org/wiki/Fluorenol