Luke 9:32

Peter and his companions had been overpowered by sleep but, suddenly becoming wide awake, they saw Jesus glorified and the two men who were standing beside him.

John 1:14

And the Word became Man, and dwelt among us, (We saw his glory--the glory of the Only Son sent from the Father), full of love and truth.

Matthew 26:40-43

Then he came to his disciples, and found them asleep. "What!" he said to Peter, "could none of you watch with me for one hour?

Luke 22:45-46

Then he rose from praying, and came to the disciples and found them sleeping for sorrow.

John 17:24

Father, my desire for all those whom thou has given me is that they may be with me where I am, so that they may see the honor which thou has given me; for thou didst love me before the beginning of the world.

2 Peter 1:16

For we were not following cleverly devised stories when we told you of the Coming in power of our Lord Jesus Christ, but we had been eye-witnesses of his majesty.

1 John 3:2

Dear friends, we are God's Children now; what we shall be has not yet been revealed. What we do know is that, when it is revealed, we shall be like Christ; because we shall see him as he is.

Revelation 22:4-5

they will see his face, and his name will be on their foreheads.

Treasury of Scripture Knowledge

Summary

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.

Bible References

Were heavy

Luke 22:45
Then he rose from praying, and came to the disciples and found them sleeping for sorrow.
Matthew 26:40
Then he came to his disciples, and found them asleep. "What!" he said to Peter, "could none of you watch with me for one hour?

They saw

John 1:14
And the Word became Man, and dwelt among us, (We saw his glory--the glory of the Only Son sent from the Father), full of love and truth.
John 17:24
Father, my desire for all those whom thou has given me is that they may be with me where I am, so that they may see the honor which thou has given me; for thou didst love me before the beginning of the world.
2 Peter 1:16
For we were not following cleverly devised stories when we told you of the Coming in power of our Lord Jesus Christ, but we had been eye-witnesses of his majesty.
1 John 3:2
Dear friends, we are God's Children now; what we shall be has not yet been revealed. What we do know is that, when it is revealed, we shall be like Christ; because we shall see him as he is.
Revelation 22:4
they will see his face, and his name will be on their foreheads.