And the sand tells me there's no one here anymore and so I fall into the dug-out

Why do you lie with your legs ungainly huddled,
And one arm bent across your sullen, cold,
Exhausted face? It hurts my heart to watch you,
Deep-shadowed from the candle's guttering gold;
And you wonder why I shake you by the shoulder;
Drowsy, you mumble and sigh and turn your head
. . . .
You are too young to fall asleep for ever;
And when you sleep you remind me of the dead.

The Dug-Out by Siegfried Sassoon