Luke
Acts 12:6BSB·traditional attribution

On the night before Herod was to bring him to trial, Peter was sleeping between two soldiers, bound with two chains, with sentries standing guard at the entrance to the prison.

John Calvin Reformed @genevareformer

6. When he was about to bring him forth. It seemeth at the first blush that the Church prayeth to small purpose, for the day was now appointed wherein Peter should be put to death, and he is within one night of death, and yet the faithful cease not to pray, because they know that when the Lord doth purpose to deliver his, he taketh...

Matthew Henry Presbyterian @wholebiblehenry

We have here an account of Peter's deliverance out of prison, by which the design of Herod against him was defeated, and his life preserved for further service, and a stop given to this bloody torrent. Now, I. One thing that magnified his deliverance was that it was a signal answer to prayer (Act 12:5): Peter was kept in prison with a great deal of...

Commenting on Acts 12:5-19

John Gill Reformed Baptist @doctorgill

And when Herod would have brought him forth,.... The next morning; so he had determined not to dismiss him, but to expose him to the people, and to put him to such a death they should choose: the same night, Peter was sleeping between two soldiers; fearless of death, being in a good cause, and having nothing to ruffle and disturb his mind; and though...