Answer:
Psychoanalytical theory
Explanation:
The psychoanalytical theory was given by Sigmund Freud. It is a famous theory. This theory is very old. This theory deals with the unconsciousness factor of a person. The psychoanalytical theory deals with the unconscious desire, fate, and thought, feelings of a person. The psychoanalytical theory was proposed when world war 1 and 2 occur.
Thus Iriana is unconscious and anxious about not sleeping at night because of trouble in sleeping. She feels that she can not take a nap at night. Thi9s occur because of early issues in psychological development in the personality of Iriana.