Matthew 26:40

And he came to the disciples and found them sleeping, and said to Peter, Are you so unable to watch with me one hour?

Matthew 25:5

And while the bridegroom delayed, all slumbered and slept;

Matthew 26:35

Peter said to him, If it should be necessary for me to die with you, I will by no means deny you. And all the disciples said the same.

Matthew 26:43

And he came and found them sleeping again, for their eyes were heavy.

Matthew 26:38

Then he said to them, My soul is sorrowful even to death; remain here and watch with me.

Mark 14:37

And he came and found them sleeping, and said to Peter, Simon, do you sleep? Could you not watch one hour?

Luke 9:32

And Peter and those with him were oppressed with sleep; and when they awoke they saw his glory, and the two men standing with him.

Luke 22:45

And rising from prayer, and coming to the disciples, he found them sleeping from grief,

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 he came and found them sleeping again, for their eyes were heavy.
Matthew 25:5
And while the bridegroom delayed, all slumbered and slept;
Mark 14:37
And he came and found them sleeping, and said to Peter, Simon, do you sleep? Could you not watch one hour?
Luke 9:32
And Peter and those with him were oppressed with sleep; and when they awoke they saw his glory, and the two men standing with him.
Luke 22:45
And rising from prayer, and coming to the disciples, he found them sleeping from grief,

What

Matthew 26:35
Peter said to him, If it should be necessary for me to die with you, I will by no means deny you. And all the disciples said the same.

General references

Matthew 26:70
But he denied it before all, saying, I know not what you say.
Mark 13:33
Observe, watch, for you know not when the time is.
1 Corinthians 10:12
so that he who thinks he stands, let him take heed lest he fall.