Shwetra says, in deep sleep, the experience also vanishes. Only when we wake up, do we say we slept like a log? Where is the Atma during deep sleep? That which reveals the deep sleep. When the mind shuts down, remember, mind does not vanish in deep sleep. Just because a car is shut down and in your garage does not mean the car is vanished. It can work. The computer is shut down. Nothing is happening. But that doesn't mean all your data is gone - it's still there. One only exists. Vivekananda's poem, one only exists. It appears as nature, soul, object, subject. But one
Swami Sarvapriyananda teaches the Katha Upanishad, one of India's most revered texts which is also a part of the Vedas. It is a collection of philosophical poems representing a conversation between the sage Naciketas and Yama (god of death). They discuss the nature of Atman, Brahman and Moksha(liberation).