Hi ejcrossl,
I split your post into a new topic of its own since your issues may be different from the original topic you posted in and to keep your questions from getting mixed in with another members questions.
There is more about the more common symptoms that people may experience on a mattress and some of the most likely reasons for them in post #2 here and the posts it links to.
Hip pain can often come from a mattress that is too firm which can cause pressure points on the hips when you sleep on your side but it can sometimes also be the result of a mattress that is too soft and allows your hips to sink into the mattress too far which can cause the hips to flex outside of their neutral range of motion which can also lead to pain and stiffness over the course of the night. Pressure point pain usually takes less time to feel and can sometimes be connected with a feeling of numbness or tingling but will usually go away quite quickly when the pressure is relieved while the pain and stiffness that comes from alignment issues can often take more time to feel may not be noticeable until you have slept for a few hours or wake up in the morning and will usually go away or after you get up and have stretched and loosened up the joint.
Phoenix