I wake up with a stiff neck and stiff in other areas as well

I always assumed my lifetime neck pain and stiffness was due to whiplash and definitely the injuries could have been th foundational problem but the parkinsonism may have contributed to stiffness at some point especially as I aged into increased parkinsonism symptoms. Idk. I just know what I experienced as fibromyalgia stiffness over the years is nothing compared to recent stiffness I can only describe as rigidity like I'm a metallic robot especially in the am and much more pervasive bodywise on bad days. The rightity is not just stiffness in joints but seems to apply to either skin or muscles somehow. Like I sometimes feel like there is plastic wrap tightly stretched over the soles of my feet pulling the skin flat. Idk if that is rigidity or some other weird symptom of fibromyalgia or something different. But the robot feeling more than just joint stiffness I heard was characteristic description of rigidity.
Feels like I have to overcome gravitational forces to move each limb out from a position I held on couch or bed for 10-20 minutes if that. I change positions every few minutes when awake due to pain primarily but also due to rigidity in recent maybe a year. It's weird how u live with a symptom so long you just accept it as the new normal and when it actually fits and is explained by new diagnosis it is less mystifying and validates a phenomenon you thought couldn't be explained or seemed without cause or part of aging. Bit I'm 55 so ont likely age related. Interesting!

Yes I wake up every morning with a stiff neck and sore hips. And never have had a problem with them before.

Yes and hips also