Matthew 26:40

then returning to the disciples, and finding them asleep, he said to Peter, what, could ye not watch by me one hour?

Matthew 25:5

while the bridegroom tarried, they were drowsy and slept.

Matthew 26:35

but Peter said, though it should cost me my life, I never will disown you. and so said all the disciples.

Matthew 26:43

then returning, he found them asleep again: for their eyes were heavy.

Matthew 26:38

and he said to them, "my soul is exceeding sorrowful, even unto death:" stay here and watch by me.

Mark 14:37

Then he return'd, and having found them sleeping, he said to Peter, Simon, are you asleep? could you not watch one hour?

Luke 9:32

while Peter, and the others with him, were overwhelm'd with sleep: but when they wak'd, they observed his glory, and the two persons present with him,

Luke 22:45

then rising from prayer, he came to his disciples, and finding them asleep, oppress'd with grief, why do you sleep?

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
then returning, he found them asleep again: for their eyes were heavy.
Matthew 25:5
while the bridegroom tarried, they were drowsy and slept.
Mark 14:37
Then he return'd, and having found them sleeping, he said to Peter, Simon, are you asleep? could you not watch one hour?
Luke 9:32
while Peter, and the others with him, were overwhelm'd with sleep: but when they wak'd, they observed his glory, and the two persons present with him,
Luke 22:45
then rising from prayer, he came to his disciples, and finding them asleep, oppress'd with grief, why do you sleep?

What

Matthew 26:35
but Peter said, though it should cost me my life, I never will disown you. and so said all the disciples.

General references

Matthew 26:70
but he denied it before them all, saying, I know nothing of the matter.
Mark 13:33
be circumspect, be vigilant, and devout: because you are uncertain when that time will be.
1 Corinthians 10:12
wherefore let him that thinks he stands firm, take heed lest he fall.