Unverified82% confidenceDecision RuleTime unknown

U型枕开口处应贴合下巴前侧，两侧填充物高度需在8-12cm之间，才能有效防止睡姿时头部侧倒超过30度导致落枕

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颈部支撑枕category

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Unverified侧睡为主的人应选侧面加高（侧翼厚度≥12cm）的偏方形颈枕，标准U型颈枕侧面太薄，靠窗侧睡时头部会大幅下垂92% similar Unverified枕高应匹配肩宽：侧睡为主者选枕臂厚度10-12cm填补肩颈空隙，仰睡者选8-10cm；U型枕两侧过厚会顶头，过薄则无支撑90% similar Unverified枕芯支撑高度应匹配睡姿：仰卧者颈曲支撑高度约5-8cm，侧卧者需等于肩宽约10-12cm；智能枕的可调范围应覆盖自身需求区间，否则调节功能形同虚设88% similar

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