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?

Matthew 25:5

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

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?

Mark 14:29-31

But Peter said to Him, "If even all should be made to stumble, yet will not I!"

Mark 14:40-41

And, returning, He found them again sleeping, for their eyes were very heavy; and they knew not what to answer Him.

Luke 9:31-32

who, appearing in glory, were speaking of His departure which He was about to accomplish at Jerusalem.

Luke 22:45-46

And, arising from prayer, and coming to the disciples, He found them sleeping for grief,

1 Thessalonians 5:6-8

So, then, let us not sleep as do the rest, but let us watch and be sober.

Hebrews 12:3

For consider Him Who hath endured such contradiction of sinners against Himself, lest ye become weary, fainting in your souls.

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, "If even all should be made to stumble, yet will not I!"
Matthew 25:5
Now, the bridegroom tarrying, they all became drowsy, and were sleeping;
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?
1 Thessalonians 5:6
So, then, let us not sleep as do the rest, but let us watch and be sober.

Couldest

Hebrews 12:3
For consider Him Who hath endured such contradiction of sinners against Himself, lest ye become weary, fainting in your souls.

General references

Mark 13:33
Take heed, watch [and pray]; for ye know not when the time is.