成唯識論述記 2.312

2.312

述曰：此外人云。若壽．煖體即是識者，入無心位識已捨，故壽、煖應無。

The Commentary states: The outsider says this: If the substances of life span and warmth are identical to consciousness, then when entering the mindless state, since consciousness is already abandoned, life span and warmth should be absent.