Shiva Purana
लक्षणोद्धारसमये कार्यं नयनमोचनम् ॥ जलाधिवासे शयने शाययेत्तान्त्वधोमुखीम् ॥ ४६ ॥
At the rite of Lakṣaṇoddhāra the eyes shall be shut. The immersion shall be performed with the idols placed prone on the bed.
english translation
lakSaNoddhArasamaye kAryaM nayanamocanam ॥ jalAdhivAse zayane zAyayettAntvadhomukhIm ॥ 46 ॥
hk transliteration by Sanscript