Twenty Minute Break 
Subtitle: Reduce Stress, Maximize Performance, and Improve Health and Emotional Well-Being Using the New Science of Ultradian Rhythms
Publisher: Palisades Gateway Pub
Published: 1991
Format: Paperback
ISBN-13: 9780965198516
Subjects: Biological Rhythms; Stress (Psychology); Stress management; Ultradian rhythms
First sentence: The discovery of the Ultradian Healing Response is composed of two stories-one psychological and the other in the realm of chronobiology, the biology of time.