[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

侧睡者枕高需≥单侧肩宽(约10-14cm),以填满头颈与床垫间隙保持颈椎中立位;仰睡者枕高5-9cm即可,过高会导致颈椎前屈引发晨起僵硬

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Long-term
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