And seeing that it was pleasing to the Jews, he went on to take Peter also: (and they were the days of unleavened bread:)
whom having seized he put in prison, having delivered him to four quaternions of soldiers to keep, purposing after the passover to bring him out to the people.
Peter therefore was kept in the prison; but unceasing prayer was made by the assembly to God concerning him.
And when Herod was going to bring him forth, that night Peter was sleeping between two soldiers, bound with two chains, and guards before the door kept the prison.
And lo, an angel of [the] Lord came there, and a light shone in the prison: and having smitten the side of Peter, he roused him up, saying, Rise up quickly. And his chains fell off his hands.
And the angel said to him, Gird thyself, and bind on thy sandals. And he did so. And he says to him, Cast thine upper garment about thee and follow me.
And going forth he followed [him] and did not know that what was happening by means of the angel was real, but supposed he saw a vision.
And having passed through a first and second guard, they came to the iron gate which leads into the city, which opened to them of itself; and going forth they went down one street, and immediately the angel left him.
And Peter, being come to himself, said, Now I know certainly that [the] Lord has sent forth his angel and has taken me out of the hand of Herod and all the expectation of the people of the Jews.
References for Acts 12:11
And having become clearly conscious [in himself], he came to the house of Mary, the mother of John who was surnamed Mark, where were many gathered together and praying.
And when he had knocked at the door of the entry, a maid came to listen, by name Rhoda;