From the publisher A. Kron's novel "Insomnia" is written in the form of notes by Professor Oleg Yudin, a specialist in age-related physiology. "Insomnia" is a complex, multifaceted work, the author is primarily concerned with moral issues, but the social significance of these issues is closely related to the main problem , on which Yudin has been working for many years, is the study of the causes of premature aging. The events of the novel develop within the walls of the scientific institute where Yudin works, in his Moscow house, in Berlin after the surrender of the Reich, in Paris and in the Volga forest reserve. (first edition in 1980 g.)