You should take your kitty to the vet and have her checked out it was a year ago today that my husband had to put our little Pricilla to sleep because she started to have uncontrolable seizers. She started to do that crying and crying and nothing would make her happy and but by the time we took her to the vets office she started to seize and there was nothing that they could do. I don't want to scare you or anything but just to be on the safe side you should probley have her checked. We still to this day don't know what triggered it. But I didn't want them to do an autopsy on her she was just to dignified for that. Please just make sure she is going to be safe. The vet thought it was just a spay thing also. But it was much much more.