ξυνύφανσις
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
Greek (Liddell-Scott)
ξυνύφανσις: -εως, ἡ, τὸ συνυφαίνειν, Πλάτ. Πολιτικ. 310E.