It's bad enough watching a trailer for "Sinister." The new horror movie, which stars Ethan Hawke as a true crime author haunted by a box of old home videos, has terrorized us in the form of haunting previews, but those eventually end.

This exclusive cinemagraph, however, does not.
Taken from a scene in the film, the moving image shows Hawke's son during a night terror.
"Sinister" opens on October 12.
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