KJV : And <2532>, behold <2400> (5628), the angel <32> of the Lord <2962> came upon <2186> (5627) [him], and <2532> a light <5457> shined <2989> (5656) in <1722> the prison <3612>: and <1161> he smote <3960> (5660) Peter <4074> on the side <4125>, and raised <1453> (0) him <846> up <1453> (5656), saying <3004> (5723), Arise up <450> (5628) quickly <1722> <5034>. And <2532> his <846> chains <254> fell off <1601> (5627) from <1537> [his] hands <5495>.
NASB :
NASB# : And behold<2400>, an angel<32> of the Lord<2962> suddenly appeared<2186> and a light<5457> shone<2989> in the cell<3612>; and he struck<3960> Peter's<4074> side<4125> and woke<1453> him up, saying<3004>, "Get<450> up quickly<5034>." And his chains<254> fell<1601> off<1601> his hands<5495>.