 [ Symptoms ] wake up with severe nausea and stomach cramps after having a large unfirm bm the nausea and cramps stop what is it  about once a year i get woken up in the middle of the night with severe nausea and stomach cramps i have to sit on the toilet for hours before any form of relief in the form of a bowel movement comes the bowel movement is typically large and unfirm but not diarrhea once this happens the nausea and stomach cramps stop i go back to sleep and then get woken up again but it is less severe the second bm is usually diarrhea and then i am better i am on no medication what gives [ Disease ] you got a serious problem you need to go see your doctor next time you might do not be so luck go see a doctor you need help