格式自己写吧
i think you should have a good communicate with him.tell him he had made a bad influence for other people .maybe your roommete don'tknow he had made trouble for other people .if he must listen music in the evening ,youcan advice him that listen to music use earphone.and tell him It is good for (the) health to keep early hours.i believe through effective communication this question can be resolved.
原谅我的英语水平只能写出这样的了