Luke 22:45

And rising up from his prayer, coming to the disciples, he found them sleeping from grief.

Matthew 26:40

And he comes to the disciples and finds them sleeping, and says to Peter, Thus ye have not been able to watch one hour with me?

Matthew 26:43

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

Mark 14:37

And he comes and finds them sleeping. And he says to Peter, Simon, dost thou sleep? Hast thou not been able to watch one hour?

Mark 14:40-41

And returning, he found them again sleeping, for their eyes were heavy; and they knew not what they should 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 comes to the disciples and finds them sleeping, and says to Peter, Thus ye have not been able to watch one hour with me?
Mark 14:37
And he comes and finds them sleeping. And he says to Peter, Simon, dost thou sleep? Hast thou not been able to watch one hour?

General references

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