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.
KJV
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.
ASV
And behold, an angel of the Lord stood by him, and a light shined in the cell: and he smote Peter on the side, and awoke him, saying, Rise up quickly. And his chains fell off from his hands.