Investigation into the sleeping comfort of mattress using numerical analysis

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The appropriate measurement of stress distribution within the human body would provide valuable information to us. For the appropriate measurement to estimate stress distribution within the human body, numerical analysis is considered one of the most desirable techniques. In comparison with the results of both numerical analysis and sensory testing in the neck region, we found, the sensory testing results corresponded to the numerical analysis findings, and it was possible to estimate subjects' preferences of mattress and comfort in the neck region using the numerical analysis. We believe, the numerical analysis managed to quantify the subjects' preferences for mattress and to prove itself that it is the valuable tools to examine the sleeping comfort of mattress.