Steiner-Waldorf educators have long felt that how well their students sleep has a significant impact on how they learn in the classroom. In this collection of insightful essays, respected voices in Steiner-Waldorf education including Florian Osswald and Betty Staley explore contemporary research on what happens to our bodies when we sleep. Together, the educators examine key areas including rhythms, movement, healing forces, and the threshold between sleeping and waking. This fascinating book will help Steiner-Waldorf teachers to understand why sleep plays such an important role in effective teaching.