Vishnu
Shantakaram Bhujagashayanam
शान्ताकारं भुजगशयनं पद्मनाभं सुरेशं विश्वाधारं गगनसदृशं मेघवर्णं शुभाङ्गम् । लक्ष्मीकान्तं कमलनयनं योगिभिर्ध्यानगम्यं वन्दे विष्णुं भवभयहरं सर्वलोकैकनाथम् ॥
Transliteration
Śāntākāraṃ bhujagaśayanaṃ padmanābhaṃ sureśaṃ, viśvādhāraṃ gaganasadṛśaṃ meghavarṇaṃ śubhāṅgam, lakṣmīkāntaṃ kamalanayanaṃ yogibhir dhyānagamyaṃ, vande viṣṇuṃ bhavabhayaharaṃ sarvalokaikanātham.
Translation
I bow to Vishnu — of peaceful form, resting on the serpent Shesha, from whose navel springs the lotus, lord of the gods; the support of the universe, vast as the sky, dark as a cloud, of auspicious limbs; the beloved of Lakshmi, lotus-eyed, attainable by yogis in meditation; the remover of the fears of worldly existence, the one lord of all the worlds.
Meaning
A serene meditation-verse (dhyana shloka) picturing Vishnu at rest, radiating peace. Often recited at the close of worship.
Benefits
Instills deep calm, dissolves worldly fear and anxiety, and prepares the mind for rest or meditation.
When to Recite
In the evening, at the end of prayers, or before sleep to settle the mind.
Source
Vishnu Dhyanam — Traditional Vishnu Dhyana Shloka