Using the old type of mattress, the body will feel uncomfortable pressure after a long time lying, and people will often toss about in bed to release the pressure.
传统床垫久睡后人体会感受到局部受压，此时人体将不自觉的通过翻身来缓解局部压力。
Using the old type of mattress, the body will feel uncomfortable pressure after a long time lying, and people will often toss about in bed to release the pressure.
传统床垫久睡后人体会感受到局部受压，此时人体将不自觉的通过翻身来缓解局部压力。
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