The roses in the garden grew taller every night. But they were actually reaching out to strangle the sleeping gardener.
The cactus in the desert was alone. But at night, it would roll towards any living thing, impaling them on its spines. It's a silent killer in the vast desert.
Another horror two - sentence story is 'I walked into the basement. The moment I turned on the light, I saw a figure with no face disappearing into the shadows.' The lack of a face is very creepy and the fact that it disappears into the shadows as soon as the light is on adds to the horror, leaving the reader to wonder what that figure was and what it might do next.
Here is one. 'The old house was silent. Then I heard a voice whispering my name from the attic.'
Story 1: I woke up to a cold hand on my face. When I turned on the light, no one was there.
I once read one. 'The old man sat alone in the dark room. Then he realized he was not alone.'
I opened the old book at teatime. The pages whispered my name in a voice that wasn't there.
The first one: I woke up in the middle of the night. When I looked at the mirror, there was a face that wasn't mine.
She checked under her bed. A pair of eyes stared back.
One: I woke up in the middle of the night. The figure at the foot of my bed was my own corpse.
I heard a baby crying in the attic. When I went up, I saw my old doll with a knife in its hand.