yoga—nidrā f. ‘meditation-sleep’, a state of half meditation half sleep (which admits of the full exercise of the mental powers; it is peculiar to devotees), light sleep, (esp.) the sleep of Viṣṇu at the end of a Yuga, V°'s Sleep personified as a goddess and said to be a form of Durgā, [MBh.]; [Ragh.] &c.
(accord. to others) the great sleep of Brahmā during the period between the annihilation and reproduction of the universe, [MW.]