If you are having constant bowel movement problems (and/or strange abdominal pain), its possible that you have IBS (irritable bowel syndrom). It is actually very common, something like 1/5 of the population has it in one form or another, though most cases aren't extreme so people don't go to the doctor for it. Try changing your diet, try staying away from dairy products (especially cheese), chocolate, red meat, and caffene and see if it helps. Also might want to think about upping your fiber intake, maybe using a fiber suppliment (Citrucel is a good one). In any case, see a doctor when you can, there are lots of things they can do to help you. Not sleeping well can irritate the hell out of your bowels if you have a problem, so look into things to help you sleep (
Sleep Tips )
ALso, stop taking laxatives, they are terrible for you and regular use can really mess you up.