Ecclesiastes 2:23

Because all his days his task is painful and grievous; even at night his mind does not rest. This too is vanity.

Job 5:7

For man is born for trouble,
As sparks fly upward.

Job 14:1

Man, who is born of woman,
Is short-lived and full of turmoil.

Psalm 127:2

It is vain for you to rise up early,
To retire late,
To eat the bread of painful labors;
For He gives to His beloved even in his sleep.

Genesis 47:9

So Jacob said to Pharaoh, “The years of my sojourning are one hundred and thirty; few and unpleasant have been the years of my life, nor have they attained the years that my fathers lived during the days of their sojourning.”

Esther 6:1

During that night the king could not sleep so he gave an order to bring the book of records, the chronicles, and they were read before the king.

Job 7:13-14

“If I say, ‘My bed will comfort me,
My couch will ease my complaint,’

Psalm 6:6-7

I am weary with my sighing;
Every night I make my bed swim,
I dissolve my couch with my tears.

Psalm 32:4

For day and night Your hand was heavy upon me;
My vitality was drained away as with the fever heat of summer. Selah.

Psalm 77:2-4

In the day of my trouble I sought the Lord;
In the night my hand was stretched out without weariness;
My soul refused to be comforted.

Psalm 90:7-10

For we have been consumed by Your anger
And by Your wrath we have been dismayed.

Psalm 90:15

Make us glad according to the days You have afflicted us,
And the years we have seen evil.

Ecclesiastes 1:18

Because in much wisdom there is much grief, and increasing knowledge results in increasing pain.

Ecclesiastes 5:12

The sleep of the working man is pleasant, whether he eats little or much; but the full stomach of the rich man does not allow him to sleep.

Daniel 6:18

Then the king went off to his palace and spent the night fasting, and no entertainment was brought before him; and his sleep fled from him.

Acts 14:22

strengthening the souls of the disciples, encouraging them to continue in the faith, and saying, “Through many tribulations we must enter the kingdom of God.”

Treasury of Scripture Knowledge

Summary

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

General references

Bible References

His heart

Ecclesiastes 5:12
The sleep of the working man is pleasant, whether he eats little or much; but the full stomach of the rich man does not allow him to sleep.
Esther 6:1
During that night the king could not sleep so he gave an order to bring the book of records, the chronicles, and they were read before the king.
Job 7:13
“If I say, ‘My bed will comfort me,
My couch will ease my complaint,’
Psalm 6:6
I am weary with my sighing;
Every night I make my bed swim,
I dissolve my couch with my tears.
Psalm 32:4
For day and night Your hand was heavy upon me;
My vitality was drained away as with the fever heat of summer. Selah.
Psalm 77:2
In the day of my trouble I sought the Lord;
In the night my hand was stretched out without weariness;
My soul refused to be comforted.
Daniel 6:18
Then the king went off to his palace and spent the night fasting, and no entertainment was brought before him; and his sleep fled from him.
Acts 14:22
strengthening the souls of the disciples, encouraging them to continue in the faith, and saying, “Through many tribulations we must enter the kingdom of God.”

General references

Ecclesiastes 1:2
Vanity of vanities,” says the Preacher,
Vanity of vanities! All is vanity.”
Ecclesiastes 3:9
What profit is there to the worker from that in which he toils?