During the shooting of
Sand, Love and Salt (1957) she had a fight
scene with
Isabelle Corey. Naefe stumbled and hit the ground
hard with the back of her head. She was very seriously injured. After
this accident she was diagnosed with multiple sclerosis. Confined to a
wheelchair, then to her bed, crippled and partially blind, she hardly
left her room. She allegedly died alone, neglected by friends.