Awakened

Awakened is a 2013 supernatural horror film directed by Joycelyn Engle and Arno Malarone. The film follows the story of a young woman by the name Samantha Winston, who wakes up in a morgue with no memory of how she got there. As she tries to unravel the mystery of her death and resurrection, she discovers dark and terrifying truths about the supernatural forces at play.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.