I will find out a place for thee, O Sleep-
A hidden wood among the hill-tops green,
Full of soft streams and little winds that creep
The murmuring boughs between.

A hollow cup above the ocean placed
Where nothing rough, nor loud, nor harsh shall be,
But woodland light and shadow interlaced
And summer sky and sea.

There in the fragrant twilight I will raise
A secret altar of the rich sea sod,
Whereat to offer sacrifice and praise
Unto my lonely god:

Due sacrifice of his own drowsy flowers,
The deadening poppies in an ocean shell
Round which through all forgotten days and hours
The great seas wove their spell.

So may he send me dreams of dear delight
And draughts of cool oblivion, quenching pain,
And sweet, half-wakeful moments in the night
To hear the falling rain.

And when he meets me at the dusk of day
To call me home for ever, this I ask-
That he may lead me friendly on that way
And wear no frightful mask.

Clive Staples Lewis

http://www.poemhunter.com/poem/to-sleep-13/