Acts 12:9
So Peter followed him out, but he was unaware that what the angel was doing was real. He thought he was only seeing a vision.
Berean Standard Bible
And he went out, and followed him; and wist not that it was true which was done by the angel; but thought he saw a vision.
And he went out and followed him. He didn’t know that what was being done by the angel was real, but thought he saw a vision.