Фото: Александр Миридонов / Коммерсантъ
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。关于这个话题，体育直播提供了深入分析
Generally speaking, stomach sleepers need more support from their mattress to keep their abdomen from caving into the mattress and creating an arch in their back, which contributes to back pain. Back sleepers require good lumbar support. Side sleepers should prioritize pressure relief in addition to spinal alignment.
The Truman administration did not adopt this recommendation.