Complex sentence: Stottlemeyer mentions that he and T.K. slept at her house because she doesn't feel safe at Stottlemeyer's house, but they ended up sleeping at a motel when a car alarm went off at 2:00 AM, and she ended up crying all night.
Split into simpler sentences: Stottlemeyer mentions that he and T.K. slept at her house because she doesn't feel safe at Stottlemeyer's house. However, they ended up sleeping at a motel when a car alarm went off at 2:00 AM, and she ended up crying all night.