Online, the line circulates as a short meme reaction rather than as a clip tied to one widely documented film or show, and its exact original recording is not clearly established. Creators reuse it because the familiar bedtime wish turns sinister in context, making it a quick punchline for horror edits, creepy stories, and unsettling prank endings. Its brevity helps it spread across short-form videos and reaction clips, where a two-second voice line can close a scene without explanation. That reusable, slightly threatening tone is why it keeps appearing long after its first viral uses.