The narrative shifts from medical mystery to supernatural thriller as Alice learns about the , or "Night Hag," an ancient demon that feeds on the life force of its victims during sleep paralysis. With the help of an eccentric local man, Amado (Sylvester McCoy), Alice must confront her past to save the Morgan family's young son from being consumed. Slumber (2017)
The 2017 horror film Slumber (released in Italy as Slumber - Il demone del sonno in 2018) explores the intersection of medical science and supernatural folklore through the terrifying phenomenon of sleep paralysis. Directed by Jonathan Hopkins, the film attempts to ground its "inspired by real accounts" narrative in the sterile environment of a sleep research center, though it eventually leans heavily into traditional horror tropes. Plot Overview and Narrative Structure Slumber - Il demone del sonno 2018
The story follows Dr. Alice Arnolds (Maggie Q), a rational-minded sleep therapist who carries deep-seated trauma from the childhood death of her brother, who died while sleepwalking. Her clinical worldview is challenged when the Morgan family seeks her help for extreme nocturnal disturbances. While she initially diagnoses them with common parasomnias, the escalating violence—including the father strangling her in his sleep—forces her to consider more sinister origins. The narrative shifts from medical mystery to supernatural