When I started Cutler chelation I had the major advantage of having previously found a rather nice combo of supplements and medicines that had stabilized my symptoms.
Hopefully the nutritional balancing will help you to do the same. It might improve your sleep and so make it easier to get to a likely major contributing factor--mercury and other HMs such as cadmium and arsenic.
If you have some $ and an open minded doctor, DMPS is well regarded in the Cutler support groups for the early months of chelation. You can take it every 8 hrs and reduce some of the body burden of Hg, As and maybe some others. Then at a later time you could add the lipoic acid to work on the Hg in the brain and organs. Hopefully by then your sleep problems will be improved.
Also some sleep better while chelating. My friend Julie is now sleeping well for the first time in her adult life since she started to chelate! She has some ADD. I suspect that many cases of ADD and Aspergers involve cadmium along with Hg. I suspect that Cd makes people more fatigued while on round and so they sleep better. I suspect the opposite is true when As is a major factor.