Proverbs 31:18
She perceives that her merchandise is profitable. Her lamp does not go out at night.
Genesis 31:40
There I was: by day the heat consumed me, and the cold by night, and my sleep fled from my eyes.
Psalm 127:2
It is in vain that you rise up early and go late to rest, eating the bread of anxious toil; for he gives to his beloved sleep.
Matthew 25:3-10
For when the foolish took their lamps, they took no oil with them,
1 Thessalonians 2:9
For you remember, brothers, our labor and toil: we worked night and day, that we might not be a burden to any of you, while we proclaimed to you the gospel of God.
2 Thessalonians 3:7-9
For you yourselves know how you ought to imitate us, because we were not idle when we were with you,