New revised edition in large type with upgraded research. 65 pages with list of Steiner's lectures on Sleep for further study. Cover painting "The Mysteries by Valerie Miles. Rudolf Steiner on Sleep: an Active Research A collection of English quotations from Rudolf Steiner made in 1999. This is extremely useful for research work for students who need to understand the width and depth of Steiner's statements on Sleep. Second edition 2014. 65 pages.