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?

Matthew 25:5

while the bridegroom tarried, they were drowsy and slept.

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?

Mark 14:29-31

upon which Peter said to him, tho' all should stagger, yet I will not.

Mark 14:40-41

then he return'd and found them still sleeping, for their eyes were heavy, and they did not know how to give an answer.

Luke 9:31-32

who discours'd about the exit, he was to make at Jerusalem;

Luke 22:45-46

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

1 Thessalonians 5:6-8

therefore let us not sleep away our time like others, but be vigilant and temperate.

Hebrews 12:3

for you should consider how he endured such opposition from sinners against himself, lest ye be tired out, and quite despond.

Treasury of Scripture Knowledge

Summary

And he cometh, and findeth them sleeping, and saith unto Peter, Simon, sleepest thou? couldest not thou watch one hour?

Couldest

General references

Bible References

Simon

Mark 14:29
upon which Peter said to him, tho' all should stagger, yet I will not.
Matthew 25:5
while the bridegroom tarried, they were drowsy and slept.
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?
1 Thessalonians 5:6
therefore let us not sleep away our time like others, but be vigilant and temperate.

Couldest

Hebrews 12:3
for you should consider how he endured such opposition from sinners against himself, lest ye be tired out, and quite despond.

General references

Mark 13:33
be circumspect, be vigilant, and devout: because you are uncertain when that time will be.