Mark 14:40-41

14:40 When he came again he found them sleeping; they could not keep their eyes open. And they did not know what to tell him. 14:41 He came a third time and said to them, “Are you still sleeping and resting? Enough of that! The hour has come. Look, the Son of Man is betrayed into the hands of sinners.

Luke 9:31-32

9:31 They appeared in glorious splendor and spoke about his departure that he was about to carry out at Jerusalem. 9:32 Now Peter and those with him were quite sleepy, but as they became fully awake, they saw his glory and the two men standing with him.

Luke 22:45-46

22:45 When he got up from prayer, he came to the disciples and found them sleeping, exhausted from grief. 22:46 So he said to them, “Why are you sleeping? Get up and pray that you will not fall into temptation!”