Luke 22:44

And being in agony, He prayed more earnestly. Then His sweat became like great drops of blood falling down to the ground.

Surrounding context

22:43 Then an angel appeared to Him from heaven, strengthening Him.

22:44 And being in agony, He prayed more earnestly. Then His sweat became like great drops of blood falling down to the ground.

22:45 When He rose up from prayer, and had come to His disciples, He found them sleeping from sorrow.