κόπασις
From LSJ
Ὁ αὐτὸς ἔφησε τὸν μὲν ὕπνον ὀλιγοχρόνιον θάνατον, τὸν δὲ θάνατον πολυχρόνιον ὕπνον → Plato said that sleep was a short-lived death but death was a long-lived sleep
German (Pape)
[Seite 1482] ἡ, das Ermüden, erst Sp.
Greek (Liddell-Scott)
κόπασις: -εως, ἡ, κόπωσις, Achmes Ὀνειροκρ. σ. 222, 22· κόπασμα, τό, χαλάρωσις, κατεύνασις, κατάπτωσις, ὕφεσις, παῦσις, Τζέτζ. Ἱστ. 6, 833.