One thing most doctors don't understand is any co-morbid pain condition makes fibro worse.
Any non fibro pain source may start a feedback loop and cause fibro pain to wind up.
I have fibro, RLS, sleep apnea. and neuropathy. And till i got a C-pap and the right meds for me.(gabapentin) they were feeding off each other.

Plus any normal day to day pain source from a stubbed toe to a headache would would make the fibro worse.

Most of the day to day pain sources can be treated with OTC pain meds.
But RLS and neuropathy need stronger meds.
Low O2 levels caused by sleep apnea can also cause fibro to wind up. and make RLS worse.

Most doctors try to treat co-morbid conditions as separate conditions and overlook how they interact.