What is the cause of this it is in both sides especially when trying to sleep fingers feel swollen to the point of bursting and also feel like they are asleep my elbows ache in joints the burning goes up back side of arms and underarms to my shoulders I'm also experiencing lower back stiffness not necessarily pain in back.what is this? And what can I do to help ? Have not slept in days when I lay down it starts in both sides and when up its mostly in right side. Please help!