Then He said to them, "My soul is exceedingly sorrowful, even to death. Stay here and watch with Me."
He went a little farther and fell on His face, and prayed, saying, "O My Father, if it is possible, let this cup pass from Me; nevertheless, not as I will, but as You will."
Then He came to the disciples and found them asleep, and said to Peter, "What? Could you not watch with Me one hour?
Watch and pray, lest you enter into temptation. The spirit indeed is willing, but the flesh is weak."
Again, a second time, He went away and prayed, saying, "O My Father, if this cup cannot pass away from Me unless I drink it, Your will be done."
References for Matthew 26:42
And He came and found them asleep again, for their eyes were heavy.
So He left them, went away again, and prayed the third time, saying the same words.
Then He came to His disciples and said to them, "Are you still sleeping and resting? Behold, the hour is at hand, and the Son of Man is being betrayed into the hands of sinners.
Rise, let us be going. See, My betrayer is at hand."
And while He was still speaking, behold, Judas, one of the twelve, with a great multitude with swords and clubs, came from the chief priests and elders of the people.
Now His betrayer had given them a sign, saying, "Whomever I kiss, He is the One; seize Him."