Hi
I sure hope and pray you find some relief
Have you considered acupuncture/seeing an acupuncturist? Many people have had success with this. It may be worth looking into. I don't know where you live, but hopefully it is in an area where this is accessible.
Also, you can try some simple exercises, if possible:
Lie on your back on a soft clean floor and relax. Then, very gently pulling your navel towrd the spine, bend your knees placing the backs of your heels next to your buttocks. Slowly raise your knees toward your chest one at a time. Once the are both up and together, lead with the knees and very gently rotate them in circles to lightly massage the lumbar region on the floor (on soft carpet or rug).
Use circles as large or as small as is comfortable for you so that you can massage the area gently. Dont' overdo and go really, really slowly. You can also just lie there with your back to the floor and knees up without doing the circles if that feels good or helps.
Come out of this the way you went in, lowering heels to the floor one knee at a time and then sliding the legs out one at a time to straight with your navel pressed toward your backbone. And remember to breathe relaxed and fully, through your nose preferably. This is a yoga type exercise.
Re sleeping:
Unless you have extremely low blood pressure (which I doubt) , you can, for a safe, non-addictive, natural sleep aid take melatonin. It is non-prescription (OTC) and is effective. Melatonin is a naturally occuring hormone and is safe to take per following directions- you should begin with very modest doses at first. I think the recommended is @ 3 mg to start. This seems to put me out for at least 6 hours. But I never feel groggy or drugged. Lots of jet lagged celebs use it.
Melatonin is also very good for you. It is a powerful antioxidant, the only one which reaches into the mitochondria, the power house or energy maker of the cell.
Best wishes and Good Luck,
Sally