Mark 13:23, 35-37
So be on your guard; I have told you everything in advance. . . .

Mark 14:37, 38
Then Jesus returned and found them sleeping. "Simon, are you asleep?" He asked, "Were you not able to keep watch for one hour? . . .

Matthew 24:42-44
Therefore keep watch, because you do not know the day on which your Lord will come. . . .

Matthew 25:13
Therefore keep watch, because you do not know the day or the hour.

Matthew 26:40, 41
Then Jesus returned to the disciples and found them sleeping. "Were you not able to keep watch with Me for one hour?" He asked Peter. . . .

Luke 12:40
You also must be ready, because the Son of Man will come at an hour you do not expect."

Luke 21:34-36
But watch yourselves, or your hearts will be weighed down by dissipation, drunkenness, and the worries of life--and that day will spring upon you suddenly like a snare. . . .

Romans 13:11, 12, 14
And do this, understanding the occasion. The hour has come for you to wake up from your slumber, for our salvation is nearer now than when we first believed. . . .

1 Corinthians 16:13
Be on the alert. Stand firm in the faith. Be men of courage. Be strong.

Ephesians 6:18
Pray in the Spirit at all times, with every kind of prayer and petition. To this end, stay alert with all perseverance in your prayers for all the saints.

1 Thessalonians 5:5-8
For you are all sons of the light and sons of the day; we do not belong to the night or to the darkness. . . .

Hebrews 12:15
Be careful that no one falls short of the grace of God, so that no root of bitterness will spring up to cause trouble and defile many.

1 Peter 4:7
The end of all things is near. Therefore be clear-minded and sober, so you can pray.

1 Peter 5:8
Be sober-minded and alert. Your adversary the devil prowls around like a roaring lion, seeking someone to devour.

Revelation 3:2
Wake up and strengthen what remains, which was about to die; for I have found your deeds incomplete in the sight of My God.

Revelation 16:15
"Behold, I am coming like a thief. Blessed is the one who remains awake and clothed, so that he will not go naked and let his shame be exposed."