Complex sentence: They try escaping through the window, while Bonnie is sleeping however nothing goes to plan when Bonnie has a bad dream and wakes up seeing them escaping through the window and finds out that they can really talks so screams and rips Woody's head off.
Split into simpler sentences: They try escaping through the window, while Bonnie is sleeping. However nothing goes to plan when Bonnie has a bad dream and wakes up seeing them escaping through the window and finds out that they can really talks so screams and rips Woody's head off.