Narada Purana — Purva Bhaga, Shloka 61
The Explanation of Sandhyā and Related Daily Observances
Saṅdhyā-ādi Nitya-karma-Vidhi
ततश्च प्राणानायम्य कृत्वा न्यासं षडङ्गकम् । आदाय वामहस्तेऽम्बु दक्षेणाच्छाद्य पाणिना ॥ ६१ ॥
tataśca prāṇānāyamya kṛtvā nyāsaṃ ṣaḍaṅgakam | ādāya vāmahaste'mbu dakṣeṇācchādya pāṇinā || 61 ||
继而调息行持（prāṇāyāma），并作六支安置（ṣaḍ-aṅga nyāsa）。然后以左手承水，以右掌覆其上。
Nārada (in instruction/dialogue within the Vedāṅga-oriented section; traditionally framed as Nārada teaching in a Sanatkumāra dialogue setting)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: adbhuta
FAQs
It emphasizes inner purification and ritual readiness: breath-regulation steadies the mind, and ṣaḍaṅga-nyāsa sacralizes the practitioner’s body as a fit seat for mantra and worship.
It supports bhakti through disciplined preparation—by calming prāṇa and consecrating the limbs with nyāsa, the devotee approaches worship with focused reverence rather than distraction.
Practical ritual science is highlighted—standard upāsanā preliminaries such as prāṇāyāma, ṣaḍaṅga-nyāsa, and handling water for purification rites (a procedural component aligned with Kalpa/ritual practice).