A.thing seen in sleep, in appos. with ὄνειρος, θεῖός μοι ἐνύπνιον ἦλθεν ὄνειρος a dream from the gods, a vision in sleep, came to me, Od.14.495, Il.2.56; “ἐ. τὰ ἐς ἀνθρώπους πεπλανημένα” Hdt.7.16.β́; ἐ. παιδός the vision of a boy, AP12.125 (Mel.): used adverbially, ἐ. ἑστιᾶσθαι 'to feast with the Barmecide', Ar.V.1218; “κακοδαίμον᾽ οὕτω δεσπότην οὐδ᾽ ἐ. ἰδών” Men.Pk.169; later “κατ᾽ ἐνύπνιον” AP11.150 (Ammian.); cf.sq.
2. after Hom., = ὄνειρος, dream, ὄψις ἐνυπνίου the vision of a dream, Hdt.8.54; “ὄψις ἐμφανὴς ἐνυπνίων” A. Pers.518, cf. 226, Pl.R.572b; “ἐνυπνίῳ πιθέσθαι” Pi.O.13.79; “ἐ. ἰδεῖν” Ar.V.25, Pl.Plt.290b; “τέλεον τὸ ἐ. ἀποτετέλεσται” Id.R.443b; “ἐνύπνια κρίνειν” Theoc.21.29, Sammelb.685 (ii B. C.):—Artem.(1.1 b) distinguishes ἐνύπνιον a mere dream, and ὄνειρος a significant, prophetic one; but the distn. is not generally observed, exc. by Philo.