Unverified72% confidenceFactTime unknown
评估睡眠灯是否护眼应看是否无频闪（DC调光/高频PWM）和无蓝光风险；低价PWM低频调光款在最暗档易出现肉眼不可见频闪，长期使用可能引起视疲劳
1
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72%
Confidence
Long-term
Relevance
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