"Sleepless at Night" is an exciting detective story written by a famous Ukrainian writer. This book skillfully combines tension, intrigue and unexpected turns of events. The main character, a skilled detective, faces difficult cases that turn out to be far from what it seemed at first glance. Readers together with him solve mysterious situations, feel the atmosphere of tension and danger. "Sleepless at night" is a book that keeps the reader in suspense from the first to the last page, not letting go for a moment.