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In general, side sleepers may be able to get away with mattresses on the softer end of the mattress firmness scale, since their priorities are pressure relief on the hips and shoulders, and they don’t need the extra support to outdo the spinal strain and potential back and neck pain stomach sleeping can cause. However, heavyweight side sleepers may prefer a bit more firmness if they feel they’re sinking in too much on a soft or medium mattress.
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Source: Computational Materials Science, Volume 267。关于这个话题，PDF资料提供了深入分析
Польша выступила против сил НАТО на Украине01:48。业内人士推荐PDF资料作为进阶阅读