Luke 22:45

And he arose from prayer, and came to his disciples, and found them asleep for sorrow.

Matthew 26:40

And he came to his disciples, and found them sleeping; and he said to Peter: Was it so, that you had not strength to watch with me one hour?

Matthew 26:43

And he came and found them sleeping again, for their eyes were heavy.

Mark 14:37

And he came and found them sleeping; and he said to Peter: Simon, do you sleep? Had you not strength to watch one hour?

Mark 14:40-41

And he returned, and found them sleeping again, for their eyes were heavy; and they knew not what to answer him.

Treasury of Scripture Knowledge

Summary

And when he rose up from prayer, and was come to his disciples, he found them sleeping for sorrow,

General references

Bible References

Sleeping

Matthew 26:40
And he came to his disciples, and found them sleeping; and he said to Peter: Was it so, that you had not strength to watch with me one hour?
Mark 14:37
And he came and found them sleeping; and he said to Peter: Simon, do you sleep? Had you not strength to watch one hour?

General references

John 16:6
But because I have spoken these things to you, sorrow has filled your heart.