Looking at the title you might ask yourself, "Why does he suffer from insomnia? And how can his insomnia kill somebody else?"

All that and more will be answered in this novel.

Waking up with amnesia the protagonist is trying to figure out the rules of the situation in which he found himself in while unknowingly being drawn into a conspiracy of epic proportions with his only goal being survival and getting stronger. 

Follow his attempts of making sense of the world surrounding him while he trains himself to survive dangers that are coming his way in more ways that he can imagine.