Declension table of ?śayanavidha

Neuter	Singular	Dual	Plural
Nominative	śayanavidham	śayanavidhe	śayanavidhāni
Vocative	śayanavidha	śayanavidhe	śayanavidhāni
Accusative	śayanavidham	śayanavidhe	śayanavidhāni
Instrumental	śayanavidhena	śayanavidhābhyām	śayanavidhaiḥ
Dative	śayanavidhāya	śayanavidhābhyām	śayanavidhebhyaḥ
Ablative	śayanavidhāt	śayanavidhābhyām	śayanavidhebhyaḥ
Genitive	śayanavidhasya	śayanavidhayoḥ	śayanavidhānām
Locative	śayanavidhe	śayanavidhayoḥ	śayanavidheṣu

Compound śayanavidha -

Adverb -śayanavidham -śayanavidhāt