Acts 12:7-10

7And behold, an angel of the Lord stood next to him, and a light shone in the cell. He struck Peter on the side and woke him, saying, "Get up quickly." And the chains fell off his hands.

8And the angel said to him, "Dress yourself and put on your sandals." And he did so. And he said to him, "Wrap your cloak around you and follow me."

9And he went out and followed him. He did not know that what was being done by the angel was real, but thought he was seeing a vision.

10When they had passed the first and the second guard, they came to the iron gate leading into the city. It opened for them of its own accord, and they went out and went along one street, and immediately the angel left him.