Unverified85% confidenceDecision RuleTime unknown

相变材料(PCM)的相变温度选28-32℃区间最适合人体睡眠，皮肤接触温度约31-33℃时PCM开始吸热，若相变点标注低于26℃则整晚偏凉、高于34℃则几乎不触发相变，形同普通寝具

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85%

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相变材料寝具category

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Unverified色温范围优先选2700K-6500K可无级调节，白天学习用4000-5000K提神、晚上睡前用3000K以下暖光助眠；固定单一色温（如只有6000K冷白）不适合睡前使用72% similar Unverified安抚助眠首选可调至暖光（色温≤3000K）且最低亮度能降到几勒克斯的机型，冷白光（≥5000K）会抑制褪黑素分泌反而影响入睡71% similar

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