Ecclesiastes 8:16
And so I applied my mind to learn wisdom, and to know the travail that is in the world; and that of such a fashion that I suffered not my eyes to sleep neither day nor night.
Psalm 127:2
It is but lost labour that ye rise up early, and take no rest, but eat the bread of carefulness; for so he giveth his beloved sleep.
Ecclesiastes 1:13
applied my mind to seek out and search for the knowledge of all things that are done under heaven. Such travail and labor hath God given to the children of men, to exercise themselves therein.
Ecclesiastes 2:23
but heaviness, sorrow and disquietness all the days of his life? Insomuch that his heart cannot rest in the night. Is not this also a vain thing?
Genesis 31:40
Moreover, by day the heat consumed me, and the cold by night, and my sleep departed from mine eyes.
Ecclesiastes 4:8
There is one man, no more but himself alone, having neither child nor brother: yet is there no end of his careful travail, his eyes cannot be satisfied with riches. Yet, doth he not remember himself, and say, "For whom do I take such travail? For whose pleasure do I thus consume away my life?" This is also a vain and miserable thing.
Ecclesiastes 5:12
A labouring man sleepeth sweetly, whether it be little or much that he eateth; but the abundance of the rich will not suffer him to sleep.
Ecclesiastes 7:25
I applied my mind also to knowledge, and to seek out science, wisdom and understanding: to know the foolishness of the ungodly, and the error of doting fools.
Ecclesiastes 8:7
And why? A man knoweth not what is for to come: for who will tell him?
Ecclesiastes 8:9
All these things have I considered, and applied my mind unto every work that is under the Sun: how one man hath lordship upon another to his own harm.