The Parva Naturalia. On Sleep

On Sleep is a work of the Greek philosopher and scientist Aristotle, included in the collection 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. PLEASE NOTE: when you purchase this title, the accompanying reference material will be available in your Library section along with the audio.