Aṣṭāṅgahṛdayasaṃhitā

asmiṃstantre āyuḥpālanaṃ prakṛtam||1||
tadvividham, svasthavṛttamāturavṛttaṃ ca||1||
brāhme muhūrta uttiṣṭhetsvastho rakṣārthamāyuṣaḥ||1||