What are the scariest horror one - sentence stories you know?

I find 'The photo on the wall changed. My dead grandmother was now smiling.' quite disturbing. It combines the normalcy of a photo on the wall with the unexpected and eerie change. A photo is supposed to be a static memory, but when it changes in such a strange way, it makes you feel like there are forces at work that we can't understand.

I was walking in the forest. I heard footsteps behind me. When I looked back, there was no one there, but the footsteps continued getting closer.

I looked in the mirror. My reflection smiled and blinked without me doing it.

I opened the attic door. A cold hand grabbed my ankle as I stepped inside.

My phone rang in the middle of the night. It was my number calling me.

One of the scariest is 'My phone took a picture by itself. There was a shadow behind me.' Another is 'The clock stopped at 3:13. Then I heard a knock on my door.'

He found a doll in the attic. When he blinked, the doll's eyes were looking right at him.

I found a tooth on my pillow. Not mine. Then I heard a whisper, 'I'm coming for the rest of them.' I shuddered, knowing I was in danger.

One that scares me is 'The phone rang in the empty house. When he answered, all he heard was heavy breathing.' It gives a sense of immediate dread.

Teatime came. As I reached for a biscuit, a cold finger tapped my hand from under the plate.