In sleep the non-existence of things is not known to you; therefore sleep is a state of ignorance, not of Gnanam, for the Gnani knows everything to be Brahman. The nonduality of sleep is not the nonduality of Gnanam. Brahman is not known in deep sleep but is known in Gnanam.
-- Notebooks Category 19: The Reign of Relativity > Chapter 3: The States of Consciousness > # 147
-- Perspectives > Chapter 19: The Reign of Relativity > # 19