On Sleep: The Parva Naturalia

The Parva Naturalia (a conventional Latin title first used by Giles of Rome: "short treatises on nature") are a collection of seven works by Aristotle, which discuss natural phenomena involving the body and the soul. They form parts of Aristotle's biology.  

Contents:

On Sleep (or De Somno et Vigilia)

Listen also to the famous works of Aristotle: Poetics, On Life and Death, Sense and Sensibilia, On Memory, On Dreams, On Divination in Sleep, On Length and Shortness of Life, On Youth, Old Age, Respiration