Girls, my situation right now: At night when I go to sleep, the little…

Girls, my situation right now: At night when I go to sleep, the little one is very, very active...moves so much that it's really painful. But then after half an hour + / - everything quiet. I also hear some clicks in the belly...can't even explain the sound...like a rusty screw clicked...or something like that. What could this be? Started watery stool.