<P> Dreams embody the involuntary occurrences within the mind throughout various stages of sleep . Throughout the early part of the twentieth century , psychologist Sigmund Freud made incredible advances in the study and analysis of dreams . Freud 's The Interpretation of Dreams ( 1900 ) used an evolutionary biological perspective to infer that these nightly visions are a product of one 's individual psyche . As the `` royal road to the unconscious '' , dreams allow for accessibility to parts of the mind that are inaccessible through conscious thought . According to his psychoanalytic theory , dreams -- like most psychological experiences -- can be understood through two distinct levels : manifest and latent . Modern research continuously proves that dreams contain fundamentally meaningful information . Therefore , appropriate interpretations of these two layers can facilitate assistance in understanding , `` whether , when , and how unconscious processes are truly relevant to daily life '' ( Friedman & Schustack , 2012 ) . </P>
<P> Dreams embody the involuntary occurrences within the mind throughout various stages of sleep . Throughout the early part of the twentieth century , psychologist Sigmund Freud made incredible advances in the study and analysis of dreams . Freud 's The Interpretation of Dreams ( 1900 ) used an evolutionary biological perspective to infer that these nightly visions are a product of one 's individual psyche . As the `` royal road to the unconscious '' , dreams allow for accessibility to parts of the mind that are inaccessible through conscious thought . According to his psychoanalytic theory , dreams -- like most psychological experiences -- can be understood through two distinct levels : manifest and latent . Modern research continuously proves that dreams contain fundamentally meaningful information . Therefore , appropriate interpretations of these two layers can facilitate assistance in understanding , `` whether , when , and how unconscious processes are truly relevant to daily life '' ( Friedman & Schustack , 2012 ) . </P>
who called that dream is the royal road of unconscious
who called that dream is the royal road of unconscious
psychologist Sigmund Freud
psychologist Sigmund Freud