Unverified80% confidenceTradeoffTime unknown
约70%遮光率为网纱透气型，遮阳降温效果弱于全遮光硬帘，追求午睡全暗环境的慎选
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified遮光率约90%，对于需要完全黑暗环境（如白班倒夜班睡眠、家庭影院）的用户遮光力度不够，建议选涂层遮光或遮光率更高的产品87% similarUnverified遮光率≥99%才算全遮光，标称'高遮光'但只有85%-90%的窗帘在夏季6点天亮时仍会透出明显光晕，卧室助眠需认准99%以上或标注'涂层遮光'的产品87% similarUnverified遮光率与采光/闷热存在权衡：99.9%全遮光布拉开前室内白天全黑但完全拉上会显闷，建议卧室采用'纱帘+遮光布'双层方案，白天用纱帘透光通风、夜间用遮光布，避免只装单层全遮光86% similarUnverified网纱透气材质遮光率通常在85%-95%之间，能挡大部分直射阳光但无法实现全遮光，对车内睡眠有强遮光需求（如婴儿午睡完全暗环境）的用户可能不够86% similarUnverified遮光率越高（接近100%）越适合午休助眠，但全包裹式高遮光眼罩透气性差、闷热感强；日常用眼疲劳缓解选90%左右遮光+透气开孔设计更舒适85% similar
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