Another day its course hath run,
And still, O God, thy child is blessed;
For thou hast been by day my sun,
And thou wilt be by night my rest.


Sweet sleep descends, my eyes to close;
And now, while all the world is still,
I give my body to repose,
My spirit to my Father's will.

John Pierpont

http://www.poemhunter.com/poem/evening-prayer-for-a-child/