In my experience, the most important part of healing an upper neck is posture during rest and sleep. I sleep with no lift from my pillow. I also sleep on my back. I curl my pillow around my ears so my head does not roll to the side. I had to learn to do this. I learned this after a fell asleep with my head tilted forward and woke up in terrible shape.

The ligaments will not heal due to treatment. They heal by not being strained are stretched. It take 6 weeks or longer for them to heal. There are some LED and laser treatments that can help. Prolo may help if the prolo doc can determine what ligaments need strengthening.

But again, prolo will be undone by poor sleep posture.