Table of Contents

A History of Chronobiological Concepts.- Transcriptional Regulation of Circadian Clocks.- Posttranslational Regulation of Circadian Clocks.- Nonimage Forming Photoreceptors.- Circadian Clocks and Metabolism.- Circadian Clock, Cell Cycle and Cancer.- Comparative Clocks.- Circadian Neural Networks.- The Circadian Clock and the Homeostatic Hourglass: Two Timepieces Controlling Sleep and Wakefulness.- Clocks, Brain Function, and Dysfunction.- Systems Biology and Modeling of Circadian Rhythms.