The film poster uses an effective layout where the title takes up the entire center to catch the viewer's eye. The title is reinforced by the three actors looking directly at the viewer. The actors are divided by two white strips symbolizing blinds, hinting at part of the narrative. The target audience appears to be middle-aged men and women, reflected by the similar age of the actors and the mystery/thriller genre. Most of the space is devoted to the title, showing it is the most important element to convey. The text emphasizes elements like "before" and "sleep" that suggest an uncomfortable atmosphere and impending events. Mentioning the film is based on a best-selling novel would attract