Re: Spasms and not wearing a collar
Well, since you and I are in the same boat -- both have spasm problems with no collar -- I can't speak to being in a collar full time. I have worn a soft collar at night a few nights, and did notice that the spasms did not wake me up as frequently.
I suspect this is more of a "pay now or pay later" situation. Our necks are spasming because they have been weakened by the surgery, plus their stimulation pattern from the affected nerves has been changed. If you wear a collar, the muscles aren't called upon to do that work, so they don't spasm as much. However, wearing a collar for extended periods of time weakens the muscles as well, so I would hypothesize that folks with collars probably have at least some spasm problem when the collar comes off.
Just my guesses.