And, behold, the angel of the Lord came upon [him], and a light shined in the prison: and he smote Peter on the side, and raised him up, saying, Arise up quickly. And his chains fell off from [his] hands.
Berean Study Bible (BSB) - Acts 12:7 >Suddenly an angel of the Lord appeared and a light shone in the cell. He tapped Peter on the side and woke him up, saying, “Get up quickly.” And the chains fell off his wrists.