2008 Norwegian film - sequel to Cold Prey which was released in 2006 - starring Ingrid Bolsø Berdal as Jannicke, the only character who survived the first film.
The sequel sees her waking up in hospital, realising all her friends are dead. But as she wanders the dark hospital corridors she realises the nightmare isn't over yet.
Ingrid Bolsø Berdal earned an Amanda Award nomination for this role (Norwegian BAFTAs).