noun. The state of being unconscious, in any sense; absence of consciousness or of self-consciousness.

noun. The state of lacking consciousness, of being unconscious

noun. ignorance or innocence; the state of being uninformed or unaware

noun. a state lacking normal awareness of the self or environment

"We love to throw the dim light of our reason on to our unconsciousness: why not let it play on what we term the unconsciousness of the universe?"

cognitive state  state of mind  

automatic pilot  autopilot  blackout  coma  comatoseness  

candour  contentment  disinterest  exhaustion  forgetfulness