Unverified78% confidenceDecision RuleTime unknown
光线渐暗关闭（fade-out）与音频渐弱同步的机型才真正利于入睡；纯定时硬切断（到点突然全黑全静音）反而可能在浅睡阶段惊醒
1
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78%
Confidence
Long-term
Relevance
-
First Seen
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Unverified定时关机看是否支持渐弱淡出（fade-out）而非硬切断，突然静音反而易惊醒；哄睡场景优先选带渐弱和连续整夜两种模式的机型87% similarUnverified定时关机功能需支持渐弱淡出（fade-out），突然断音反而可能惊醒浅睡者；只有硬切断电的定时功能助眠体验差85% similarUnverified运行时有轻微电流底噪，对睡眠极敏感者可能有影响；定时结束时的提示音也可能干扰浅睡眠85% similarUnverified定时关机功能优先选支持'渐弱淡出(fade out)'而非'突然静音'的机型，突然断声反而可能把浅睡眠者惊醒，淡出更平滑85% similarUnverified定时关机若只有开/关而无'渐弱淡出'功能，突然断音容易在浅睡期惊醒；带fade-out渐弱的定时功能更适合入睡后自动停止的省电需求84% similar
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