A very creepy and unusual classic “cult” horror film from 1977 is “Death Bed: The Bed That Eats,” about a canopy bed in a rustic stone castle possessed by a demon spirit that consumes its users alive. SEE this New York Times review for creepy details!
“At the edge of a grand estate, near a crumbling old mansion lies a strange stone building with just a single room. In the room there lies a bed. Born of demonic power, the bed seeks the flesh, blood and life essence of unwary travelers…”