Sky- My friend's DS stopped nursing when she was pregnant (he was about 20mos. and she was about 3/4 of the way through). He would still lay down and kind of pretend to nurse, but didn't really do anything, and she was dry as well. After the baby came he was back in the game, and full swing too! He wanted to nurse almost every time the new LO latched on. She always has an overabundant supply so this really helped with leakage issues. So, like Banana said, she may pick it back up! As far as naps go, is it warm enough where you are yet to get outside in the mornings? Maybe if you do some wild outside time in the am she'll be worn out and nap later? When DS was starting to skip naps (but feeling miserable after 3pm without them) I started packing up snacks/lunch and taking him on walks then to the park all morning. We would eat there and then I would stick him in the stroller and take the loooong way home. Sometimes he would sleep as long I we were moving in the stroller, then wake when we stopped, but sometimes I could go home and take him out and lay him down for a proper nap.
Good luck and hugs!