ᾟ μοι δοκοῦσιν εὐφρόνην κεκληκέναι τὴν νύκτα, ἐπειδὴ τηνικάδε ἡ ψυχὴ πεπαυμένη τῶν αἰσθήσεων συννεύει πρὸς αὑτὴν καὶ μᾶλλον μετέχει τῆς φρονήσεως. διὰ ταῦτ’ οὖν καὶ αἱ τελεταὶ γίνονται νυκτὸς μάλιστα, σημαίνουσαι τὴν ἐν νυκτὶ τῆς ψυχῆς συστολὴν ἀπὸ τοῦ σώματος. ἄρ’ οὖν μὴ καθεύδωμεν ὡς οἱ λοιποί, ἀλλὰ γρηγορῶμεν καὶ νήφωμεν. οἱ γὰρ καθεύδοντες νυκτὸς καθεύδουσι καὶ οἱ μεθυσκόμενοι νυκτὸς μεθύουσιν· ἡμεῖς δὲ ἡμέρας ὄντες νήφωμεν, ἐνδυσάμενοι θώρακα πίστεως καὶ ἀγάπης καὶ περικεφαλαίαν ἐλπίδα σωτηρίου. ὅσα δ’ αὖ περὶ ὕπνου λέγουσι, τὰ αὐτὰ χρὴ καὶ περὶ θανάτου ἐξακούειν. ἑκάτερος γὰρ δηλοῖ τὴν ἀπόστασιν τῆς ψυχῆς, ὃ μὲν μᾶλλον, ὃ δὲ ἧττον, ὅπερ ἐστὶ καὶ παρὰ Ἡρακλείτου λαβεῖν· “ἄνθρωπος ἐν εὐφρόνῃ φάος· ἅπτεται ἑαυτῷ ἀποθανών, ἀποσβεσθεὶς ὄψεις, ζῶν δέ ἅπτεται τεθνεῶτος εὕδων, ἀποσβεσθεὶς ὄψεις· ἐγρηγορὼς ἅπτεται εὕδοντος.” μακάριοι γὰρ οἱ εἰδότες τὸν καιρὸν κατὰ τὸν ἀπόστολον, ὅτι ὥρα ὑμᾶς ἤδη ἐξ ὕπνου ἐγερθῆναι· νῦν γὰρ ἐγγύτερον ἡμῶν ἡ σωτηρία ἢ ὅτε ἐπιστεύσαμεν. ἡ νὺξ προέκοψεν, ἡ δὲ ἡμέρα ἤγγικεν. ἀποθώμεθα οὖν τὰ ἔργα τοῦ σκότους, ἐνδυσώμεθα δὲ τὰ ὅπλα τοῦ φωτός.
(Clement of Alexandria, Strom. 4.140.2-141.5)
And for this reason, as they appear to me, to have called night Euphrone; since then the soul, released from the perceptions of sense, turns in on itself, and has a truer hold of intelligence. Wherefore the mysteries are for the most part celebrated by night, indicating the withdrawal of the soul from the body, which takes place by night. “Let us not then sleep, as do others; but let us watch and be sober. For they that sleep, sleep in the night; and they that are drunken, are drunken in the night. But let us who are of the day be sober, putting on the breastplate of faith and love, and as an helmet the hope of salvation.” (Paul, 1 Thess. 5.1-6) And as to what, again, they say of sleep, the very same things are to be understood of death. For each exhibits the departure of the soul, the one more, the other less; as we may also get this in Heraclitus (fr. 122): “Man touches night in himself, when dead and his light quenched; and alive, when he sleeps he touches the dead; and awake, when he shuts his eyes, he touches the sleeper.” “For blessed are those that have seen the Lord,” according to the apostle; “for it is high time to awake out of sleep. For now is our salvation nearer than when we believed. The night is far spent, the day is at hand. Let us therefore cast off the works of darkness, and put on the armour of light.” (Paul, Rom. 13.11-12) (tr. Philip Schaff)