Matthew 26:40

Then He came to the disciples and found them asleep, and He said to Peter, "Alas, none of you could keep awake with me for even a single hour!

Matthew 25:5

The bridegroom was a long time in coming, so that meanwhile they all became drowsy and fell asleep.

Matthew 26:35

"Even if I must die with you," declared Peter, "I will never disown you." In like manner protested all the disciples.

Matthew 26:43

He came and again found them asleep, for they were very tired.

Matthew 26:38

and He said to them, "My soul is crushed with anguish to the very point of death; wait here, and keep awake with me."

Mark 14:37

Then He came and found them asleep, and He said to Peter, "Simon, are you asleep? Had you not strength to keep awake a single hour?

Luke 9:32

Now Peter and the others were weighed down with sleep; but, keeping themselves awake all through, they saw His glory, and the two men standing with Him.

Luke 22:45

When He rose from his prayer and came to His disciples, He found them sleeping for sorrow.

Treasury of Scripture Knowledge

Summary

And he cometh unto the disciples, and findeth them asleep, and saith unto Peter, What, could ye not watch with me one hour?

Bible References

And findeth

Matthew 26:43
He came and again found them asleep, for they were very tired.
Matthew 25:5
The bridegroom was a long time in coming, so that meanwhile they all became drowsy and fell asleep.
Mark 14:37
Then He came and found them asleep, and He said to Peter, "Simon, are you asleep? Had you not strength to keep awake a single hour?
Luke 9:32
Now Peter and the others were weighed down with sleep; but, keeping themselves awake all through, they saw His glory, and the two men standing with Him.
Luke 22:45
When He rose from his prayer and came to His disciples, He found them sleeping for sorrow.

What

Matthew 26:35
"Even if I must die with you," declared Peter, "I will never disown you." In like manner protested all the disciples.

General references

Matthew 26:70
He denied it before them all, saying, "I do not know what you mean."
Mark 13:33
Take care, be on the alert, and pray; for you do not know when it will happen.
1 Corinthians 10:12
So then let him who thinks he is standing securely beware of falling.