Oh Misty, i know this is hard and discouraging. The hard truth is that some cats never get to remission. They are regulated, happy healthy cats on insulin. There is a thread on Health from a kitty who is 20 and has been a regulated cat on insulin for 10 years.
Your schedule makes this very hard. It works best if you can be around enough to be a little more agressive or you can be very patient. I have seen both work. If you were able to monitor at night, you could be more agressive with the dose at pmps. If you could be around, you could chase a low number to the 200s and shoot and then be there check 12 hours later and chase a number again. The only other way I know is to be patient, keep monitoring and shooting and see if her body comes around and gradually needs less and less insulin.
You have to work with what you have. You are willing to stay up during the day and monitor and we are trying to help you work with that advantage. But having you completely gone at nght and not be able to intervene if a number goes low, that makes us cautious with that pm dose.
There are examples of both ways in the remission thread at the top of this page. Check out a few spreadsheets on kitties on that thread. Some went into remission after two or more years. Some had to jump through hoops monitoring the last few weeks their cats were on insulin. It's that $@%€£ Every cat is different thing.
That's my two cents and it's only worth what you are paying for it.