New Living Translation
Their days of labor are filled with pain and grief; even at night their minds cannot rest. It is all meaningless.

American Standard Version
For all his days are but'sorrows, and his travail is grief; yea, even in the night his heart taketh no rest. This also is vanity.

Berean Study Bible
Indeed, all his days are filled with grief, and his task is sorrowful; even at night, his mind does not rest. This too is futile.

Douay-Rheims Bible
All his days axe full of sorrows and miseries, even in the night he doth not rest in mind: and is not this vanity?

English Revised Version
For all his days are but sorrows, and his travail is grief; yea, even in the night his heart taketh no rest. This also is vanity.

King James Bible
For all his days are sorrows, and his travail grief; yea, his heart taketh not rest in the night. This is also vanity.

World English Bible
For all his days are sorrows, and his travail is grief; yes, even in the night his heart takes no rest. This also is vanity.

Young's Literal Translation
For all his days are sorrows, and his travail sadness; even at night his heart hath not lain down; this also is vanity.

Ecclesiastes 2:23 Additional Translations ...