Oh Hun I have had some bad experience with DD sleep, not quite as bad, but I was still feeling exhausted, stressed, frustrated, and like jumping out a window, so I can relate
Could you possibly try to break the association between feeding and sleeping? That was the only way I could help DDs sleep, she now only wakes between 2-3 times a night (unless she's sick) when a normal night was similar to yours.
I started by feeding her not lying down, not where she goes to sleep (in our case her cot next to our bed), in our case, the loungeroom, it's light, bright, etc, then (because my DD is older) I held her hand and walked her to the bedroom and said to her "it's sleepy time" and lied her down and tried to put her to sleep. Eventually as time went on I increased the time between feed and sleep, so feed 10 mins before sleep, 15, 20, 30 etc. now she doesn't need a feed to go to sleep, I've found she's sleeping better, starting to put herself to sleep (while I'm with her) and is able to (somewhat) self settle because she knows she doesn't NEED a feed to go to sleep.
If you know roughly when she'll need sleep, perhaps you could feed her before you know she'll be wanting sleep, like 5 mins before, then slowly increase the time of feeds before sleep?
It was somewhat easier for me because she didn't feed TO sleep, because she has a dummy, but she just needed a feed to get to sleep. ITMS? I don't know if your DD is like that.


If she is fed to sleep, I've heard of the Pantley pull off method, I don't really know anything about it, but perhaps it's worth looking into?


Sent from the land of "iSomethings" so forgive me for any spelking misstaks