Hi katze
I honestly could have written your story about myself. I have such a similar experience.
I stopped sleeping properly when DD was about 6 weeks old and it gradually deteriorated, so as she started sleeping longer and longer in the night I just got worse and worse.
I was so upset and frustrated, and obviously a wreck during the day, surviving on so little sleep.
I started on citalopram but they made my sleep much worse. Also tried the homepathy, and also did some CBT, reflexology too.
Eventually was put on mirtazapine 15mg. Like you it did wonders and I slept about 10hrs a night for the first two weeks!! Then the sleep got worse again for a while but then finally levelled off. I am still taking the 15mg a night and my DD is 2 now.
I also would like to have another baby and am thinking of weaning off, but am terrified on the insomnia returning. I don't know what the best thing to do is.
I am planning on shaving tiny bits off my 15mg tab and reducing really, really slowly, I mean like over the course of a year.
Perhaps you came off too quickly??
xxx