Normal
I don't think that's unusual , initially she was probably investigating her surroundings, now she has eaten she will just sit conserving energy until she requires food again, it's sort of what they do! There is the possibility that something is wrong but it's not unusual behaviour at all. Just check that temperatures aren't too low and offer food once or twice a week, I'm pretty sure nothing is wrong, it's just they won't expend energy unnecessarily.