Head Trauma (2006)

After a 20 year absence, drifter George Walker returns home to settle his grandmother's estate. As if awakening from a long dream, he finds his childhood home condemned and littered with the remnants of squatters. In the midst of trying to save his past, George falls and strikes his head, triggering an onslaught of vivid nightmares and waking visions. As the horror intrudes on George's reality, his conviction grows that someone or something is trying to kill him.