Vishnu · mantra

Om Namo Narayanaya

ॐ नमो नारायणाय

oṁ namo nārāyaṇāya

Meaning

Salutations to Narayana — the one who rests upon the waters and dwells in every heart as the final shelter.

An eight-syllable mantra of refuge, chanted for peace, protection and restful sleep.

Pancharatra tradition