yes I feel terrible during those days...especially very sleepy, just cant wake up have to force myself to do it, also i have a lot of pain in my abdomen and legs, and i canot exercise for at leadt 4-5 days, do u guys have any suggestions on wht type of exercise i could do, im really scared to do any kind of exercise for the fear of increased pain, i would like to no wht the others r doin. thanks.