One could be 'I saw Joan Cusack in the mirror. But when I turned around, she was still there.'
Here's another: 'Joan Cusack whispered in my ear. Then I realized I was alone in the room.'
Maybe 'Joan Cusack stood at the end of the hall. As I walked closer, her smile grew more sinister.'
Sure. 'Joan Cusack's eyes followed me. Everywhere I hid, those eyes found me.'
Story 1: I woke up to a cold hand on my face. When I turned on the light, no one was there.
Another really scary one could be 'My phone rang at 3 am. The caller ID said it was me.' It plays on the idea of the self being something other or unknown, and calls at that time are always spooky.
She walked into the empty forest. Every step she took, a whispering voice behind her grew louder.
How about this: 'I heard footsteps behind me. When I turned around, there was no one there, but the footsteps grew louder.'
I think 'The clock stopped at midnight. Then I heard footsteps.' is quite scary. It gives this feeling of something ominous starting right at a spooky time.
I looked out of the window. A faceless man was looking right back at me. It sent shivers down my spine immediately. Horror often lies in the unknown, and a faceless figure is the epitome of that. It made me question my safety even in my own home.
I walked into the empty room. Suddenly, I felt a cold hand on my shoulder, but no one was there.
One example could be 'I woke up to find a cold hand on my shoulder. I live alone.' Another is 'The old doll in the attic blinked. It was facing the wall before.'
I woke up to a strange noise. When I looked under the bed, I saw a pair of eyes staring back at me.