I’d be really grateful for any and all advice about my 6 month old whose sleep routine has suddenly gone all the way back to square one.
Previously she would be asleep around 6 and would wake up around 5/6 the next morning - with wakings to feed but that was fine!
I had a good routine with her - bath, feed, cuddle and put in the next to me awake with white noise and she d go to sleep herself.
We began weaning a couple of weeks ago, and on Monday she had some potato which seemed to really upset her stomach and we had a bad night in which she was in pain with wind and couldn’t lie flat, so she ended up co sleeping with me.
Since that night it’s been a nightmare. She now refuses to feed at bed time, instead repeated latching and unlatching to cry. She won’t go in the next to me, I ve tried rocking her until she’s asleep but as soon as I put her down she wakes up and screams.
She actually worked herself into such a state on Wednesday I convinced myself there was something seriously wrong and drove to A and E! She promptly fell asleep in the car. 
She’s also started doing this sort of humming complaining noise, generally in the early morning or late afternoon, but doesn’t actually cry. It almost sounds like a complaining noise?
I m going to call the doctor tomorrow, but in the meantime if anyone has any thought please let me know.
I suppose no one can tell me for definite, but can weaning cause these issues? Or is it more likely this was a developmental thing coming anyway?