Parasomnia

Parasomnia (2008) is a horror, thriller directed by William Malone rated 4.9/10.

Laura Baxter is a young woman, literally a "sleeping beauty," who suffers from a medical condition called "parasomnia." A childhood accident victim, she is actually sleeping her life away, awakening briefly on rare occasions. Art student Danny Sloan falls in love with her, unaware that her hospital neighbor, a terrifying mass murderer and mesmerist named Byron Volpe has other, more sinister plans.