ἄϋπνος

ον, Adv.
A. sleepless, wakeful, of persons, Od. 9.404, 10.84, 19.591, A. Pr. 32, E. Or. 83, X. Cyr. 2.4.26: Sup. ‐ότατος, τῶν στρατηγῶν D.C. 72.8; ἔχειν ἀΰπνους ἄγρας, of fishermen, S. Aj. 880; of the eye, ἄϋπνά τ’ ὀμμάτων τέλη E. Supp. 1137: metaph., sleepless, never-resting, ἄ. πηδάλια dub. in A. Th. 206 (lyr.); κρῆναι S. OC 685 (lyr.); ἀκταί E. IT 423 (lyr.). Adv. ‐νως Sannyr. 2 D.
2. of nights, sleepless, πολλὰς μὲν ἀΰπνους νύκτας ἴαυον Il. 9.325, Od. 19.340; also ὕπνος ἄ. a sleep that is no sleep, from which one easily awakes, S. Ph. 848 (lyr.).
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project