Table of Contents

Preface Introduction Which Ergonomic Factors Affect the Quality of Sleep? Physical Factors Physiological Factors Psychological Factors Cultural and Historical Aspects Bed Type Variety - Sleeping Posture Diversity Different Types of Sleeping Systems Sleeping System Properties Posture How to Measure Spinal Alignment Which Measurement Techniques are Able to Evaluate the Spine Spinal Alignment: Computer Simulations Which Simulation Techniques are Able to Evaluate the Spine The Impact of Custom-made Bed Design on Back Support Methodology Results and Discussion Guidance to the Optimal Bed Practical Guidelines Bed Design Automation Bed Selection: Guidance Techniques Conclusion Postface Table of Contents