Plutarch, De Iside et Osiride 80 (part 2)

ὥσπερ ἔνιοι τῶν ἰατρῶν τὸν ὕπνον ἐγγίγνεσθαι λέγουσιν, ὅταν ἡ τῆς τροφῆς ἀναθυμίασις οἷον ἕρπουσα λείως περὶ τὰ σπλάγχνα καὶ ψηλαφῶσα ποιῇ τινα γαργαλισμόν. τῷ δὲ κῦφι χρῶνται καὶ πώματι καὶ κράματι· πινόμενον γὰρ δοκεῖ τὰ ἐντὸς καθαίρειν, χρὴ μαλακτικόν. ἄνευ δὲ τούτων ῥητίνη μέν ἐστιν ἔργον ἡλίου καὶ σμύρνα πρὸς τὴν εἵλην τῶν φυτῶν ἐκδακρυόντων. τῶν δὲ τὸ κῦφι συντιθέντων ἔστιν ἃ νυκτὶ χαίρει μᾶλλον, ὥσπερ ὅσα πνεύμασι ψυχροῖς καὶ σκιαῖς καὶ δρόσοις καὶ ὑγρότησι τρέφεσθαι πέφυκεν. ἐπεὶ τὸ τῆς ἡμέρας φῶς ἓν μέν ἐστι καὶ ἁπλοῦν καὶ τὸν ἥλιον ὁ Πίνδαρος ὁρᾶσθαί φησιν ἐρήμας διʼ αἰθέρος· ὁ δὲ νυκτερινὸς ἀὴρ κρᾶμα καὶ σύμμιγμα πολλῶν γέγονε φώτων καὶ δυνάμεων, οἷον σπερμάτων εἰς ἓν ἀπὸ παντὸς ἄστρου καταρρεόντων. εἰκότως οὖν ἐκεῖνα μὲν ὡς ἁπλᾶ καὶ ἀφʼ ἡλίου τὴν γένεσιν ἔχοντα διʼ ἡμέρας, ταῦτα δʼ ὡς μικτὰ καὶ παντοδαπὰ ταῖς ποιότησιν ἀρχομένης νυκτὸς ἐπιθυμιῶσι.

Cyphi is a compound composed of sixteen ingredients: honey, wine, raisins, cyperus, resin, myrrh, aspalathus, seselis, mastich, bitumen, rush, sorrel, and in addition to these both the junipers, of which they call one the larger and one the smaller, cardamum, and calamus. These are compounded, not at random, but while the sacred writings are being read to the perfumers as they mix the ingredients. As for this number, even if it appears quite clear that it is the square of a square and is the only one of the numbers forming a square that has its perimeter equal to its area, and deserves to be admired for this reason, yet it must be said that its contribution to the topic under discussion is very slight. Most of the materials that are taken into this compound, inasmuch as they have aromatic properties, give forth a sweet emanation and a beneficent exhalation, by which the air is changed, and the body, being moved gently and softly by the current, acquires a temperament conducive to sleep; and the distress and strain of our daily carking cares, as if they were knots, these exhalations relax and loosen without the aid of wine. The imaginative faculty that is susceptible to dreams it brightens like a mirror, and makes it clearer no less effectively than did the notes of the lyre which the Pythagoreans used to employ before sleeping as a charm and a cure for the emotional and irrational in the soul. It is a fact that stimulating odours often recall the failing powers of sensation, and often again lull and quiet them when their emanations are diffused in the body by virtue of …