If she dreams of swimming naked, it hints that she is falling into the wrong relationships....
Dreaming of suddenly seeing your own nakedness insinuates that you are falling into bad behavior, contrary to the normal behavior of the dreamer....
If one sees a wall caving over his head, or falling over other people in a dream, it means that he has committed many sins and unless his repents, his punishment will be swift....
It also could mean falling into sin....