Mark 13:36
[Be alert], for he might come unexpectedly and find you asleep.
Mark 14:40
Then He came back again and found His disciples still asleep, because they had not been able to keep their eyes open at all.
Matthew 24:48-51
But if that slave, with evil intent, should think to himself, 'My master will not be back very soon,'
Matthew 25:5
Now when the [bride and] groom were late [in arriving], the bridesmaids all got drowsy and fell asleep.
Mark 14:37
And when He came back and found His disciples sleeping He said to Peter, "Simon, are you sleeping? Could you not stay alert [in prayer] for one hour?
Luke 21:34
"But pay attention to yourselves so that your hearts do not become overburdened by carousing, and drunkenness, and the worries of life. [If you do], that 'day' [i.e., Jesus' second coming and judgment] will arrive suddenly, like a trap [i.e., which catches an animal by surprise].
Luke 22:45
And when He got up from praying He went to His disciples and found them asleep, exhausted from grief.
Romans 13:11-14
Now this [is another reason for observing the law of love]: You should know that it is about time to wake up out of your [spiritual] sleep, because [the day of our final] salvation is now nearer to us than when we first believed [in Christ].
Ephesians 5:14
So, it says, "You who are asleep, wake up and rise from the dead, and Christ will shine on you [i.e., illuminate you]." [Note: The foregoing words may have been an early saying, used at someone's immersion, which included the ideas of "rising up" (See Col. 2:12) and "illumination" (See Heb. 6:4)].
1 Thessalonians 5:6-7
So then, we should not be [spiritually] asleep, like the rest [i.e., the unsaved world], but we should be alert and sober [i.e., in control of our senses].