The material of pillow has influenced on body pressure distribution and human comfort. This paper studied the relationship between the characteristic of pillow materials and sleeping comfort in supine position through head, neck, back pressure distribution system and subjective evaluation on ergonomics methods. This paper selected chemical fiber, buckwheat, latex, memory foam, inflatable cushion, traditional Chinese medicine / tea and pearl cotton for experimental materials. The results showed that the pillows with memory foam and latex was better in pressure distribution and subjective evaluation. The pillow with traditional Chinese medicine / tea and inflatable cushion had lower elasticity and poorer sleeping comfort. The buckwheat pillow can relieve neck fatigue. This study results have important reference value to the material of pillow and comfort pillow design.
The resilience of mattress foam has influenced on body pressure distribution characteristic of mattress and human comfort. This paper dealt with resilience of foam and body pressure distribution through resilience test instrument for mattress foam and body pressure distribution system. The results showed that the resilience of latex foam was better and the body pressure distribution of mattress with latex foam layer was better. This study results have important reference value to the flexibility of mattress and comfort design.
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