To my 'invisible' friends across the pond, I wanted to tell you how much I appreciate all your kind responses.
I also owe you an update so here goes:
On Friday morning 3/16, DH had another Cardio-version. He was sent home after lunch (out of A-fib) with Rxs adjusted and water pill reduced. Later that afternoon he told me he felt much better than he had in a long time. Friday night however, was the usual with not sleeping much, but we did notice that the crackling in his chest had diminished.
On Saturday evening, I went to bed and he went to his chair, both of us expecting yet another fitful night. Surprised when I woke up on Sunday morning and hubby was sleeping right next to me flat on his pillow!
It seems he wasn't feeling the crackling at all, so he decided to give our bed another try and to sleep the way he used to. Needless to say, I was both astonished and delighted the next morning!
On Monday we had a setback, because he reverted and he's been in and out of A-fib since then and that's still a big worry. The crackling is definitely gone though. Cardiologist wants to see him again next week so a lot remains to be seen.
So, not entirely out of the woods yet, but after weeks and weeks of torture, we're finally able to get a full night's sleep!
Ironic that my outburst of sheer desperation happened just as things were about to improve. It's always "darkest before dawn" they say, so I guess things were going to get better and I just didn't know it.