Declension table of nīdhra

Neuter	Singular	Dual	Plural
Nominative	nīdhram	nīdhre	nīdhrāṇi
Vocative	nīdhra	nīdhre	nīdhrāṇi
Accusative	nīdhram	nīdhre	nīdhrāṇi
Instrumental	nīdhreṇa	nīdhrābhyām	nīdhraiḥ
Dative	nīdhrāya	nīdhrābhyām	nīdhrebhyaḥ
Ablative	nīdhrāt	nīdhrābhyām	nīdhrebhyaḥ
Genitive	nīdhrasya	nīdhrayoḥ	nīdhrāṇām
Locative	nīdhre	nīdhrayoḥ	nīdhreṣu

Compound nīdhra -

Adverb -nīdhram -nīdhrāt