Berean Study Bible (BSB) - Ecclesiastes 8:16 >

When I applied my mind to know wisdom and to observe the task that one performs on the earth—though his eyes do not see sleep in the day or even in the night—

Jewish Publication Society of America Version (JPS1917) - Ecclesiastes 8:16 >

When I applied my heart to know wisdom, and to see the business that is done upon the earth — for neither day nor night do men see sleep with their eyes —