The filename is structured to provide technical details about the digital file:

Potential Movie Match: Midnight (2021/2022) or Nightmare (2022)

The resolution is High Definition (720 pixels), and the source is a "WEB-DL," meaning it was ripped directly from a streaming service (like Netflix or Viki) without re-encoding.

Indicates the version contains content that was not submitted to or was cut from the official theatrical rating board.

The likely title shorthand ( Don't Sleep ) followed by the release year and the source site's tag (SKMHD for SkymoviesHD).

The string appears to be a standardized filename typically found on third-party file-sharing or pirated movie sites. While the specific acronym "DNTSLPSKMHD" is not an official film title, it is highly likely a shorthand for the 2022 South Korean thriller Don't Sleep (often stylized as Don't Sleep or related to sleep-themed horror). Understanding the Filename Components

A watermark or promotional tag for the website where the file originated.