the state of a person's cognitive processes

an alert cognitive state in which you are aware of yourself and your situation

(followed by `of') not knowing or perceiving

not conscious; lacking awareness and the capacity for sensory perception as if asleep or dead

a cognitive state in which you act without self-awareness

unconsciousness resulting from lack of knowledge or attention

a momentary loss of consciousness

marginal consciousness

a state of deep and often prolonged unconsciousness; usually the result of disease or injury