Brahma Sūtra 3.2.7
Śaṅkara
Advaita Vedānta
Sūtra
तदभावो नाडीषु तच्छ्रुतेरात्मनि च
tadabhāvo nāḍīṣu tacchruterātmani ca
Sūtra translation
The absence of that (i.e. of dreams, i.e. dream- less sleep) takes place in the nd^ls and in the Self according to scriptural statement.
The state of dream has been discussed; we are now going to enquire into the state of deep sleep. A number of scriptural passages
Rāmānuja
Viśiṣṭādvaita Vedānta
Sūtra
तदभावो नाडीषु तच्छ्रुतेरात्मनि च
tadabhāvo nāḍīṣu tacchruterātmani ca
Sūtra translation
The absence of that takes place in the nâdîs and in the Self, according to scriptural statement.
Next the state of deep dreamless sleep is enquired into. Scripture says, 'When a man is asleep, reposing and at perfect rest, so that
Madhva
Dvaita Vedānta
Sūtra
तदभावोनाडीषु तच्छ्रुतेरात्मनि ह
tadabhāvonāḍīṣu tacchruterātmani ha
Sūtra translation
Their absence (i.e., the absence of the two aforesaid states, dreams and wakefulness) takes place in the Lord in the Nadis, according to the sruti (and the well-known reference).
The state of sleep which is the absence of wakeful- ness and dreams, is brought about within the Lord presept in the Nadis. For