I've had a few of your symptoms. Feeling loopy (not sure what drunk or high feels like) but feeling super-hyper is how I would explain it. Also the light sensitivity (indoor and outdoor) and the random itching with or without hives. For me those have all been high copper-related. Pregnancy causes estrogen to go up and along with it, copper. So there could be a correlation for you there. If copper is the problem, it's likely it was high prior to getting pregnant, and pregnancy just increased it.