Passage
For they that sleep sleep in the night: and they that are drunken are drunken in the night.
For they that sleep sleep in the night: and they that are drunken are drunken in the night.
1 Thessalonians 5:5 for ye are all sons of light, and sons of the day: we are not of the night, nor of darkness;
1 Thessalonians 5:6 so then let us not sleep, as do the rest, but let us watch and be sober.
1 Thessalonians 5:7 For they that sleep sleep in the night: and they that are drunken are drunken in the night.
1 Thessalonians 5:8 But let us, since we are of the day, be sober, putting on the breastplate of faith and love; and for a helmet, the hope of salvation.
1 Thessalonians 5:9 For God appointed us not into wrath, but unto the obtaining of salvation through our Lord Jesus Christ,
The verse centers on "sleep", "night", and "drunken". It is saying that the verse draws attention to "sleep" and "night", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 6's "so then let us not sleep as..." into verse 8's "But let us since we are of...", so "sleep" and "night" belong inside that flow. In 1 Thessalonians context, the local focus is Christ, faith, and discipleship.
A plain takeaway is to answer the verse's own emphasis on "sleep" and "night" with trust shaped by these words, not by a vague optimism outside the passage.