Unverified80% confidenceTradeoffTime unknown
色温越高警觉度越强但夜间抑制褪黑素影响睡眠，护眼与助眠是矛盾的：晚间学习后应切至暖光过渡，故可调色温比固定5000K更实用
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80%
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Long-term
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Unverified带日落渐暗（助眠）功能的产品，睡前渐暗最好搭配色温降至2200K以下的暖光，冷白光渐暗仍会抑制褪黑素，助眠效果打折89% similarUnverified色温越高（冷白光）越提神但夜间抑制睡眠，暖光护眼舒适但可能显得偏暗、影响色彩判断——晚上用暖光、白天/学习用中性光是折中方案89% similarUnverified亮度越高越清晰但夜间高亮易造成瞳孔疲劳与影响入睡，睡前阅读建议将亮度调至最低两档并配合暖色温，日间作业才用高亮度88% similarUnverified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88% similarUnverified改善睡眠节律的完整方案：睡前1小时用2200K暖光渐暗灯→夜间保持全黑或≤5lux微光→清晨用日出唤醒灯3000K+渐亮，配合固定作息比单靠灯具更有效88% similar
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