: Sandberg repeatedly uses the rhythmic clicking of light switches to create unbearable tension. The audience is forced to actively scan the frame for Diana's silhouette every time the environment goes dark.
: The film captures the exhaustion, fear, and emotional toll that a parent's uncontrolled mental illness takes on their children. Rebecca and Martin are forced to parent themselves while defending against the "darkness" hovering over their mother. 🎥 Visual Techniques and Practical Effects Nunca apagues la luz (2016)
The DNA of the film belongs entirely to director David F. Sandberg and his wife, Lotta Losten. : Sandberg repeatedly uses the rhythmic clicking of