The sense of the prana is what generates health, and tiredness, and illness. Depression, unhappiness, restlessness. Consciousness reveals all of that. If consciousness were depressed or restless, see as we said, consciousness is constant. Then deep sleep also you would be depressed or restless. Never. The moment the mind shuts down, it goes away. Why only shuts down? Even if there is depression or restlessness, momentary it is there within few weeks, within few months, again it's not there. So, because of its constant nature, he says, nitya ekasva vahavasya, abjevi-chara, it does