E-Mail IMAGE: Example of the importance of investigating human behavior in designing a bed or a mattress, as it shows that people assume different postures and move during sleep. view more Credit: Peter Vink. Amsterdam, March 1, 2021 - Comfort is a daily human experience central to the perception of our environment and the continuous processing of sensory input. Environmental factors such as smell, temperature and light can influence comfort, as can our interaction with products, such as the design of a chair or a mattress. Increasingly, researchers investigating the science of comfort and discomfort are focusing on the role of human behavior. A special supplement to the journal