Sounds like he wiped the sleep gunk out of his eye with the knuckle of his his bent index finger.
He rubbed the dried blobs of eye-water from his eyes, using his knuckles. (He woke up and rubbed his eyes, using his knuckles, to remove the hard, dry bits from them) You know... sleep, those dry, hard, yellowy eye-boogeys.
Rubbed his eyes using the knuckle. Think about it . When you wake up and rub sleep from your eyes people often use the knuckle part.
It means snatching someones peace from his life.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.