Matthew 26:40

And He comes to the disciples, and finds them sleeping, and says to Peter, Were you not able to watch with me one hour?

Matthew 25:5

But the bridegroom tarrying, they all nodded and slept.

Matthew 26:35

And Peter says to Him, If it may be necessary for me to die with thee, I will not deny thee. Likewise also all the disciples said.

Matthew 26:43

And having come He finds them again sleeping, for their eyes were heavy.

Matthew 26:38

Then He says to them, My soul is exceedingly sorrowful, even unto death: abide here, and pray with me.

Mark 14:37

And He comes, and finds them sleeping, and He says to Peter, Simon, do you sleep? Were you not able to watch one hour?

Luke 9:32

And Peter and those who were along with Him, were burdened with sleep. And having watched through the night, they saw His glory and the two men who were standing with him.

Luke 22:45

And having risen from prayer, having come to His disciples, He found them sleeping on account of weariness,

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
And having come He finds them again sleeping, for their eyes were heavy.
Matthew 25:5
But the bridegroom tarrying, they all nodded and slept.
Mark 14:37
And He comes, and finds them sleeping, and He says to Peter, Simon, do you sleep? Were you not able to watch one hour?
Luke 9:32
And Peter and those who were along with Him, were burdened with sleep. And having watched through the night, they saw His glory and the two men who were standing with him.
Luke 22:45
And having risen from prayer, having come to His disciples, He found them sleeping on account of weariness,

What

Matthew 26:35
And Peter says to Him, If it may be necessary for me to die with thee, I will not deny thee. Likewise also all the disciples said.

General references

Matthew 26:70
And he denied before all, I know not what you say.
Mark 13:33
Beware, watch; for you know not when the time is.
1 Corinthians 10:12
So let him who thinks he stands take heed lest he may fall.