Everytime we have have tried an antibiotic for either PANDAS OR Lyme, then stopped it, we noticed sleep got worse and worse afterwards. She use to be able to fall alseep by 1am. Now she is up till 6am. It is really weird. A bell just rang in my head last night, that the antibiotics (that have not helped thus far) could be causing yeast or bacteria to sky rocket and make her already horrible insomnia ten times worse! Last time she was tested her lyme/bart. was negative. Wonder if her whole problem is yeast or some other kind of bacteria??? Any comments?