Declension table of ?śayyamāna

Neuter	Singular	Dual	Plural
Nominative	śayyamānam	śayyamāne	śayyamānāni
Vocative	śayyamāna	śayyamāne	śayyamānāni
Accusative	śayyamānam	śayyamāne	śayyamānāni
Instrumental	śayyamānena	śayyamānābhyām	śayyamānaiḥ
Dative	śayyamānāya	śayyamānābhyām	śayyamānebhyaḥ
Ablative	śayyamānāt	śayyamānābhyām	śayyamānebhyaḥ
Genitive	śayyamānasya	śayyamānayoḥ	śayyamānānām
Locative	śayyamāne	śayyamānayoḥ	śayyamāneṣu

Compound śayyamāna -

Adverb -śayyamānam -śayyamānāt