Unverified80% confidenceDecision RuleTime unknown
定时关机建议选支持15/30/60/90分钟多档且带渐弱淡出（fade-out）的机型，突然断音容易惊醒浅眠者，渐弱设计能平滑过渡到无声
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80%
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Long-term
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Unverified定时关机功能应支持'渐弱'而非'骤停'，骤停的声音突变反而会惊醒浅睡者；优选支持15/30/60分钟多档且带fade-out的机型94% similarUnverified定时关机功能应确认是否带渐弱淡出（fade out），突然断音容易惊醒浅眠者；优质机型提供15/30/60/90分钟或持续整晚多档选择94% similarUnverified定时功能选支持15/30/60/90分钟多档且能自动淡出（渐弱）关闭的机型，突然静音会惊醒浅睡人群，渐弱关闭才是真正助眠设计94% similarUnverified定时关机功能应确认支持渐弱（fade out）关闭而非骤停，突然断声反而可能惊醒浅睡者；同时优选可设定多档时长（如30/60/90分钟）的机型93% similarUnverified定时关机若只有固定档位（如30/60/90分钟）不如带渐弱淡出（fade-out）功能的机型，声音突然中断反而会惊醒浅眠者，淡出关机体验更好93% similar
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