Ecclesiastes 8:16

When I applied my mind to know wisdom and to observe the activity that is done on the earth (even though one’s eyes do not close in sleep day or night),

Psalm 127:2

In vain you get up early and stay up late,
working hard to have enough food—
yes, He gives sleep to the one He loves.

Ecclesiastes 1:13

I applied my mind to seek and explore through wisdom all that is done under heaven. God has given people this miserable task to keep them occupied.

Ecclesiastes 2:23

For all his days are filled with grief, and his occupation is sorrowful; even at night, his mind does not rest. This too is futile.

Genesis 31:40

There I was—the heat consumed me by day and the frost by night, and sleep fled from my eyes.

There is a person without a companion, without even a son or brother, and though there is no end to all his struggles, his eyes are still not content with riches. “So who am I struggling for,” he asks, “and depriving myself from good?” This too is futile and a miserable task.

Ecclesiastes 5:12

The sleep of the worker is sweet, whether he eats little or much, but the abundance of the rich permits him no sleep.

Ecclesiastes 7:25

I turned my thoughts to know, explore, and seek wisdom and an explanation for things, and to know that wickedness is stupidity and folly is madness.

Ecclesiastes 8:7

Yet no one knows what will happen because who can tell him what will happen?

Ecclesiastes 8:9

All this I have seen, applying my mind to all the work that is done under the sun, at a time when one man has authority over another to his harm.

Treasury of Scripture Knowledge

Summary

Ecclesiastes 8:16

When I applied mine heart to know wisdom, and to see the business that is done upon the earth: (for also there is that neither day nor night seeth sleep with his eyes:)

There is that

Psalm 127:2

General references

Ecclesiastes 9:13

Bible References