BP really slow after feeding bigger food.

[Bogertophis]

I recently upgraded form small mice to small rats and noticed she had a pretty difficult time eating but afterwards she hasn't moved a whole lot, its been two days scene i feed and she hasn't gotten out of her hide at all, at night or in the day. Is there something wrong??

That was a "bridge too far": you should have gone from small mice to medium/large adult mice first. Rats are much harder to digest, in part because their fur is much
thicker. Keep your fingers crossed that she doesn't regurgitate this, as you won't be able to feed her for about 3 weeks if she does, not to mention it can harm the snake.
Don't disturb her at all, & hope.