उमामहेश्वरव्रतं—पञ्चाक्षरमन्त्रस्य माहात्म्यं, न्यासः, जपविधिः, सदाचारः, विनियोगः
उदयास्तमयात्पूर्वम् आरम्य विधिना शुचिः कामान्मोहाद्भयाल्लोभात् संध्यां नातिक्रमेद्द्विजः
udayāstamayātpūrvam āramya vidhinā śuciḥ kāmānmohādbhayāllobhāt saṃdhyāṃ nātikrameddvijaḥ
सूर्योदय और सूर्यास्त से पहले, विधिपूर्वक शुद्ध होकर आरम्भ करे; काम, मोह, भय या लोभ से भी प्रेरित होकर द्विज संध्या-उपासना का उल्लंघन न करे।
Suta Goswami (narrating Linga Purana teachings to the sages of Naimisharanya)
It establishes strict nitya-kāla discipline: purity and timely Sandhyā are foundational for Shiva-oriented sādhanā, preventing the practitioner (pashu) from slipping back into pasha (bondage) through negligence.
Indirectly, it points to Shiva as Pati—the Lord who is approached through niyama and inner purity; Sandhyā becomes a daily alignment of the individual self with the sacred order that culminates in steadiness for Shiva-realization.
Sandhyā-vandana performed at both twilights with śauca (purity) and vidhi (proper method), serving as a restraint against kama, moha, bhaya, and lobha—key obstacles to Pashupata-style inner control.