Matsya Purana — Saptamī Sacred Bath and the Mṛtavatsābhiṣeka Rite for Pacifying Misfortune an...
हुतशेषं तदाश्नीयाद् आदित्याय नमो ऽस्त्विति इदमेवाद्भुतोद्वेगदुःस्वप्नेषु प्रशस्यते //
hutaśeṣaṃ tadāśnīyād ādityāya namo 'stviti idamevādbhutodvegaduḥsvapneṣu praśasyate //
One should then eat what remains after the homa offering, reciting, “Salutations to Āditya (the Sun).” This very practice is commended in cases of ominous portents, sudden anxiety, and evil dreams.
It does not discuss pralaya directly; it focuses on a practical śānti measure—Sun-invocation with homa remnants—to counter inauspicious signs, fear, and nightmares.
It frames a householder/leader’s duty to maintain inner steadiness and public auspiciousness through sanctioned rites: after a homa, taking the consecrated remainder while saluting Āditya is recommended when disturbed by omens or troubling dreams.
Ritually, it prescribes a specific post-homa act: consuming hutaśeṣa with the formula “ādityāya namaḥ astu,” presented as a śānti remedy for adbhuta (omens), udvega (alarm), and duḥsvapna (bad dreams).