"The Psychology of Sleep" is a study of sleep and its effects on the human mental state by acclaimed authors Hall and Bolton. The book reveals important aspects of sleep, from its physiological processes to the psychological consequences of insufficient or disturbed sleep. The authors analyze in detail the impact of sleep on the emotional state, cognitive functions and general mental health of a person. The book "Psychology of sleep" is an important addition to the study of sleep as a key element of human physiology and psychology.