King James Version
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:)New International Version
When I applied my mind to know wisdom and to observe man's labor on earth-his eyes not seeing sleep day or night-Catholic Public Domain Version
And I applied my heart, so that I might know wisdom, and so that I might understand a disturbance that turns upon the earth: it is a man, who takes no sleep with his eyes, day and night