If you neighbor keep making noise, what will you do?

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Recently, something annoyed me a lot. My neighbor make huge noise at night and in the early morning. To be correct, they make noise at any time when they stay at home. From this, it's easy to judge they are inside or not. The sound is like they are making furniture at home. I can't bear it anymore, especially at night when I was almost fall asleep, the big sound came, it shocked me and made me awaken for the rest of the night, at that very moment, I really had the impulse to find a knife and killed them all. What will you do in this kind of situation?