[KongchangAI]
Unverified70% confidenceTradeoffTime unknown

香味浓淡与安抚效果存在权衡:香味太淡助眠信号不足,太浓刺激呼吸道。适合婴幼儿的标准是靠近30cm能闻到淡香、1米外基本无味;睡前放置而非全天陪伴可降低嗅觉疲劳

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70%
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Long-term
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