Hi!
I think you *may* have been on to something with the feeds. I haven't had her on a good 3-hour EASY since she was just weeks old because her naps started getting shorter. I was thinking that maybe with one less feed (knocking out a cluster I was doing) and making sure she only ate every 3 hours no matter what she does for naps might be the key.
I am on day three with one less feed and I have seen improvement with the NWs. She is in bed earlier - I start nursing her around 6:30 and she's in bed by 7:15 or so. Last night she got up at 11:45, 3:45 and then she woke at around 4 and I let her squirm and she went back to sleep but woke again at 4:20 or so and I fed her. She ate for maybe 1/2 the time she usually does and then went back to sleep til 7am.
Not sure what the 4am waking was about but I'm not sure it was about food. But the two first stretches are better than I had been getting. I was lucky to get 3 hours between wakings. On those bad nights it was 2 hours!
We'll see how tonight goes. Her naps have still been kind of all over the place. I have discovered, though, that it actually makes things worse if I go in and try to help her through the 45 minute wakeup at this point. I have helped her get back to sleep so many times I think she's at the point where she's like "Get out of here, mom - I can do it myself if you just let me!". The last two days I have just let her be when she wakes after 45 minutes and as long as she's not screaming I leave her alone. She has been putting herself back to sleep within 10 or 15 minutes and has been taking decent naps if I just give her the chance. It's hard to leave her alone but I can usually find something to distract me long enough to give her at least 10 minutes
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I also have been waking her at 7am regardless. I used to let her sleep til 7:30 or later if she was still out but I think as long as she's having decent naps I should try to keep her on somewhat of a routine for awhile. I did that with my son and that seemed to help things fall into place. Wake up is the same and bedtime is the same (unless she has a bad last nap, then it's early).
Two naps longer than an hour certainly doesn't seem like too much sleep to me! I swear, they just like to mess with us! Just when you want to pat yourself on the back... they throw a wrench in the works.