"Insomniac" is an exciting psychological thriller by the famous writer Stephen King. In this book, the author tells the story of the writer Paul Sheldon, who is faced with terrible nightmares that begin to intertwine with reality. Noticing how the thread between reality and dream disappears more and more, the hero begins to doubt his health and sanity. The reader experiences a sense of paranoia and fear with him as he tries to unravel and stop this horrific plot spiraling out of control. "Insomniac" is a tense novel that will leave every reader on the edge of reality and dreams, evoking the strongest emotions and helping to see how shaky the concept of the border between what is real and what is imaginary.