7 month old won’t sleep unless on me

[VioletBear]

She slept through the night (6+ hours, 1-2 wake ups and then another 3+ stretch) all the way until she hit 5.5 months. She’s never been able to nap in the cot so have always held her for naps which I really don’t mind. Now, I can’t put her in the cot at night without her waking and crying and me having to start the whole bedtime routine again. I have been feeding her to sleep, drowsy but awake never ever worked for us. In the early part of the night I might be able to get her into her cot but lately it’s max 1 hour before she’s up again. She wants to sleep, she isn’t wide awake and playful. But I don’t know how much more I can take of sleeplessness for myself. She has a solid bedtime/nap time routine, her naps are at set times, she naps well (but not too long) and is happy in the daytime, I don’t know what to do at night. I am not willing to do CIO. But this is affecting my mental health, my relationship with my partner and my ability to be a good mum during the day.

Can you co sleep? Both of mine moved into my bed at 6 months old. It didn't affect DC1 moving to his own bedroom, I gradually transitioned him over from my bed to his own bed.
Dc2 moved into my bed at 6 months. He's a year old and he still has to be fed to sleep which drives me crazy but it is what it is.

Unfortunately she’s a real fidget when she sleeps and has rolled off the bed once already when we tried to co-sleep, and is also now pulling herself to stand (which is at every possible opportunity!) so we’ve had to move her from her bedside crib to a cot in her own room for safety. The sleep regression started before all this so I don’t think it’s related. I’m currently sleeping (loose term, as I’m not really sleeping) on a mattress on the floor of her room to help with the transition and night wake ups as she’s only been in the cot for 5 days so far. I don’t mind the feeding to sleep so much, I just want some rest and not have to hold her for hours through the night!