Luke 22:45

And having risen up from the prayer, having come unto the disciples, he found them sleeping from the sorrow,

Matthew 26:40

And he cometh unto the disciples, and findeth them sleeping, and he saith to Peter, 'So! ye were not able one hour to watch with me!

Matthew 26:43

and having come, he findeth them again sleeping, for their eyes were heavy.

Mark 14:37

And he cometh, and findeth them sleeping, and saith to Peter, 'Simon, thou dost sleep! thou wast not able to watch one hour!

Mark 14:40-41

and having returned, he found them again sleeping, for their eyes were heavy, and they had not known what they might 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 cometh unto the disciples, and findeth them sleeping, and he saith to Peter, 'So! ye were not able one hour to watch with me!
Mark 14:37
And he cometh, and findeth them sleeping, and saith to Peter, 'Simon, thou dost sleep! thou wast not able to watch one hour!

General references

John 16:6
but because these things I have said to you, the sorrow hath filled your heart.