We're currently going through the same OP!
Our son is 7 weeks old, and will only sleep either on us, in a sling, or pushed in the pram at a brisk pace.
I understand the 4th trimester, we seem to be ticking all the boxes, but does anyone know how to cope with it??
Like literally, how do you survive?!!!
Daytime is ok, he happily naps in the sling, but the night's are killing us. At the moment my husband and I are taking it in shifts to sit on the couch with him sleeping on us overnight, and it's we're just getting to the end of our tether.
We've got a sleepyhead, hasn't worked so far, swaddling hadn't really helped much, ditto for putting a worn t-shirt in. He's mostly BF, except for 1 formula feed in the early morning my husband gives him to let me sleep. We also had a session of cranial osteopathy this afternoon, but the osteopath didn't seem overly concerned that anything was wrong, so I'm on the fench with that one.
Sadly, the only place he seems to sleep on his own is alongside me on the couch on a feather pillow of mine, which is really not recommended so I don't for any longer than a few minutes.
Sorry for rambling, I'm averaging 4.5 hrs of sleep a day and am completely obsessing over this!