Mark 14:37

14:37 Then ¹  he came and found them sleeping, and said to Peter, “Simon, are you sleeping? Couldn’t you stay awake for one hour?

Mark 14:40

14:40 When he came again he found them sleeping; they could not keep their eyes open. ²  And they did not know what to tell him.

[14:37]  ¹ tn Here καί (kai) has been translated as “then” to indicate the implied sequence of events within the narrative.

[14:40]  ² tn Grk “because their eyes were weighed down,” an idiom for becoming extremely or excessively sleepy (L&N 23.69).