Matthew 26:43 KJV

And he came and found them asleep again: for their eyes were heavy.
Matthew 26:43, King James Version

In context

42 He went away again the second time, and prayed, saying, O my Father, if this cup may not pass away from me, except I drink it, thy will be done.

43 And he came and found them asleep again: for their eyes were heavy.

44 And he left them, and went away again, and prayed the third time, saying the same words.