A person's internal state of being and involuntary physiological response to an object or a situation, based on or tied to physical state and sensory data.
A reaction by a non-human organism with behavioral and physiological elements similar to a person's response.
A condition characterized by extreme fatigue or drowsiness, deep unresponsiveness, or prolonged sleep patterns.
A state of extreme torpor or apathy, especially with lack of emotion, energy or enthusiasm; (loosely) sluggishness, laziness.