pathways test | ADHD Information

Pathways testing I would have this done and yes it can be order by a Md. I haven't done it cause the cost is 350. For those who have done this testing please tell me what they do to help it out. RNIs supposed to be a tool to help DX AD/HD?my 11 year old with adhd canNOT go to sleep OR stay asleep.  can't find anything but a study for EXACTLY this problem.  thoughts?  i found it online at www.zolkids.com.  i am not sure what else to do... if he sleeps 3 hours, i sleep 2.