Subconscious
Subconscious Mind
noun, の adjective
Remember how 意識 means "consciousness"? Well, this is the kind of consciousness that has a more concealed existtence inside you — in other words, it's your subconscious.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
夢ってのは、僕たちの潜在意識を反映しているとよく言われるよね。
Dreams are often said to reflect our subconscious.