Matthew 26:40

And He cometh to the disciples, and findeth them sleeping, and saith to Peter, "Were ye thus unable to watch with Me one hour?

Matthew 25:5

Now, the bridegroom tarrying, they all became drowsy, and were sleeping;

Matthew 26:35

Peter says to Him, "Even if I must die with Thee, I will not deny Thee." Likewise also said all the disciples.

Matthew 26:43

And, coming again, He found them sleeping; for their eyes were heavy.

Matthew 26:38

Then saith He to them, "My soul is exceedingly sorrowful even unto death! Abide ye here, and watch with Me."

Mark 14:37

And He cometh and findeth them sleeping, and saith to Peter, "Simon, are you sleeping? were you not able to watch one hour?

Luke 9:32

Now Peter and those with him had become heavy with sleep; but, having watched through it, they saw His glory, and the two men who were standing with Him.

Luke 22:45

And, arising from prayer, and coming to the disciples, He found them sleeping for 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, coming again, He found them sleeping; for their eyes were heavy.
Matthew 25:5
Now, the bridegroom tarrying, they all became drowsy, and were sleeping;
Mark 14:37
And He cometh and findeth them sleeping, and saith to Peter, "Simon, are you sleeping? were you not able to watch one hour?
Luke 9:32
Now Peter and those with him had become heavy with sleep; but, having watched through it, they saw His glory, and the two men who were standing with Him.
Luke 22:45
And, arising from prayer, and coming to the disciples, He found them sleeping for grief,

What

Matthew 26:35
Peter says to Him, "Even if I must die with Thee, I will not deny Thee." Likewise also said all the disciples.

General references

Matthew 26:70
But he denied before them all, saying, "I know not what you are saying."
Mark 13:33
Take heed, watch [and pray]; for ye know not when the time is.
1 Corinthians 10:12
Wherefore, let him who thinks he is standing take heed, lest he fall.