Dr. Arcady A. Putilov is experienced in the research of various rhythmic processes in physiology, biochemistry, zoology, ecology, psychology, psychiatry, and history. His other research interests include sleep regulation and somnology, electrophysiology, personality, individual differences, evolutionary psychology, and the history of science. He has authored more than 200 scientific publications, including books and articles in peer-reviewed international journals. He also writes for the general public in Russian about sleep, biological rhythms, affective disorders, evolutionary psychology, and the history of science. See also: Arcady Putilov. Biography. Encyclopedia journal (ISSN 2309-3366) https://encyclopedia.pub/705