 [ Symptoms ] i have insomnia have had it for quite a few years was told i had rbc red blood cell countdeficiency as well [ Disease ] insomnia can easly cause hyperalgesiapainfull touch  also low calcium in bones can cause painfull touch calcium blood test won t show it you need bone mineral density scan or a simple x ray you can suspect calcium if pain is in wrist mainly also painfull touch can happen in some allergies induced by platelet activating factorgood luck