KJV - And when he returned, he found them asleep again, (for their eyes were heavy,) neither wist they what to answer him.

ASV - And again he came, and found them sleeping, for their eyes were very heavy; and they knew not what to answer him.

BBE - And again he came and saw them sleeping, because their eyes were very tired; and they had nothing to say in answer.

WEB - Again he returned, and found them sleeping, for their eyes were very heavy, and they didn't know what to answer him.

YLT - and having returned, he found them again sleeping, for their eyes were heavy, and they had not known what they might answer him.

Notes