The psychological dissection of a human's unconscious mind through the utilization of advanced oneiric technology to determine what nightmarish phenomena is affecting their mentality.
"He suddenly fell into a coma due to a hauntingnightmare he had, so we had to wait for the Oneiropsy report to tell us why he was having genocidal behavior."
A person who is obsessed with nighttime dreams. So much so, that they think about dreaming when they are awake. Someone who has a deep and intimate connection with dreaming. This person is likely to be a lucid dreamer.
Guy 1: Mark NEVER stops talking about dreams!
Guy 2: That is because he is an oneirophile
oneirogenic: Any substance that causes a lucid dream, vivid dream in noticeable color and resonance, used for the sole purpose of "finding ones self" albeit a vison quest, a soul journey or to understand the meaning of dreams with the help of said substance that can enhance the recall, and vividness of ones dreams. oneiro meaning dreams and -genic suffix meaning producing from or generating.