Mark 14:37

And when He came back and found His disciples sleeping He said to Peter, "Simon, are you sleeping? Could you not stay alert [in prayer] for one hour?

Matthew 25:5

Now when the [bride and] groom were late [in arriving], the bridesmaids all got drowsy and fell asleep.

Matthew 26:40

And [when] He came [back] to where His disciples were and found them asleep, He said to Peter, "What [is this], could you not remain alert with me [in prayer] for one hour?

Mark 14:29-31

But Peter said to Him, "Although everyone else will have doubts [about you], I never will."

Mark 14:40-41

Then He came back again and found His disciples still asleep, because they had not been able to keep their eyes open at all.

Luke 9:31-32

who appeared in splendor, and were speaking of Jesus' [coming] departure [i.e., His imminent death], which He was soon to experience at Jerusalem.

Luke 22:45-46

And when He got up from praying He went to His disciples and found them asleep, exhausted from grief.

1 Thessalonians 5:6-8

So then, we should not be [spiritually] asleep, like the rest [i.e., the unsaved world], but we should be alert and sober [i.e., in control of our senses].

Hebrews 12:3

Now think about how Jesus endured such opposition against Himself from sinners, so that you do not grow weary and become discouraged [yourself].

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
But Peter said to Him, "Although everyone else will have doubts [about you], I never will."
Matthew 25:5
Now when the [bride and] groom were late [in arriving], the bridesmaids all got drowsy and fell asleep.
Matthew 26:40
And [when] He came [back] to where His disciples were and found them asleep, He said to Peter, "What [is this], could you not remain alert with me [in prayer] for one hour?
1 Thessalonians 5:6
So then, we should not be [spiritually] asleep, like the rest [i.e., the unsaved world], but we should be alert and sober [i.e., in control of our senses].

Couldest

Hebrews 12:3
Now think about how Jesus endured such opposition against Himself from sinners, so that you do not grow weary and become discouraged [yourself].

General references

Mark 13:33
"You should pay attention; be alert and pray, for you do not know when the time will come [i.e., for the Lord to return].