Strong’s Greek
G1853 — exupnos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἔξυπνος
exupnos — pronounced ex'-oop-nos
from 1537 and 5258; awake:--X out of sleep. see GREEK for 1537 see GREEK for 5258
1 occurrence in the KJV.
Acts 16:27
And the keeper of the prison awaking out of his sleep, and seeing the prison doors open, he drew out his sword, and would have killed himself, supposing that the prisoners had been fled.