John 1:6

There was a man sent from God whose name was John [the Immerser].

Romans 13:11

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 5:2-7

for you know perfectly well that the day of the Lord [i.e., when He returns, See II Thess. 2:1-2] will arrive like a thief coming in the night.

Treasury of Scripture Knowledge

Summary

How long wilt thou sleep, O sluggard? when wilt thou arise out of thy sleep?

Bible References

When

John 1:6
There was a man sent from God whose name was John [the Immerser].
Romans 13:11
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 5:2
for you know perfectly well that the day of the Lord [i.e., when He returns, See II Thess. 2:1-2] will arrive like a thief coming in the night.