The Republic by Plato Part 3 Page 62

That they must abstain from intoxication has been already remarked by us; for of all persons a guardian should be the last to get drunk and not know where in the world he is.

Yes, he said; that a guardian should require another guardian to take care of him is ridiculous indeed.

But next, what shall we say of their food; for the men are in training for the great contest of all — are they not?

Yes, he said.

And will the habit of body of our ordinary athletes be suited to them?

Why not?

I am afraid, I said, that a habit of body such as they have is but a sleepy sort of thing, and rather perilous to health.