Based on traditional Chinese psychology

this paper explores and analyzes the mechanism of insomnia and treatment methods from aspects of primordial Shen

desire Shen and conscious Shen. The authors propose that motivity of sleep lies in organism’s physiological needs for sleep

which is the need of primordial Shen; key mechanism of insomnia is control of autonomy-awareness of sleep replaces motivity status of physiological needs

that is conscious Shen replaced fundamental control of primordial Shen of organism. This paper also presents the fundamental principle of recovering physiological needs for sleep in therapeutical aspect. Finally

this paper states the basic theory and process of low impedance-thought introduction therapy curing insomnia.