Why am I waking up in pain caused by cramp that first starts in my toes,feet nand back of my lower leg,n am getting same feeling in my hands,they tingle,go numb then gos into a spazam were I cannot move them until it wears off,I m 52yrs old, and I ve gained weight,my appite is bad,as I only eat once twice a week,as I never feel hungry,and I hardly ever go to toilet.