Try taking Ornithine, it helps abate the amonia build up in your brain which is excreted from the parasites. Amonia build up in the brain disturbs your sleep patern. Dr. Clark recommends Ornithine use durning Liver Flushes and during the parasite cleanse. I have been using it and it does work.
You can get it on toolsforhealing.com , I'm sure that you can get it also at your local health food store. It is an amino acid.