'Heavy' in the Bible

Come unto me, all ye that labour and are heavy laden, and I will give you rest.

For they bind heavy burdens and grievous to be borne, and lay them on men's shoulders; but they themselves will not move them with one of their fingers.

And he took with him Peter and the two sons of Zebedee, and began to be sorrowful and very heavy.

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

And he taketh with him Peter and James and John, and began to be sore amazed, and to be very heavy;

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

But Peter and they that were with him were heavy with sleep: and when they were awake, they saw his glory, and the two men that stood with him.