Sorry it hurts Bob. Have they tried you with Oromorph - morphine based? I get on with Tramadol - those some people say it sends them tripping,

The strongest, I ever took was for tri geminal neuralgia - that was callled Kapaki It stopped the pain, but I had to stop gigging as it emptied my mind of the lyrics of songs that I'd been singing every night for years.

The point is, you need an effective painkiller to sleep, and you need to sleep and relax - just to mend and stabilise your condition - temp, blood pressure, etc.

Best wishes to you - I hope you're soon back up there on the sidewalk.