This audio is mainly known online as a Brazilian WhatsApp-style voice clip built around the phrase “boa noite pra quem é de boa noite.” A verified original source is not clear from the available information, so it is best understood as a viral greeting meme rather than a confirmed film or TV quote. It spread through message forwards, status videos and reposts on short-form platforms, where its recognizable phrasing made it easy to reuse. People still share it because the line works both as a genuine bedtime greeting and as playful sarcasm.