During the movie, Kelly mentions how the Midnight Man sounds like a "Creepypasta" story. The legend of the Midnight Man and his game is in fact a story created on Creepypasta.
Robert Englund and Lin Shaye were previously in A Nightmare on Elm Street (1984) and 2001 Maniacs (2005).
At 17.06 when she is adjusting the clocks, she just whizzes them forward an hour. That shouldn't be done, as they are "Westminster " clocks which need to be stepped through at 15 minute intervals when they chime.