Unverified75% confidenceTradeoffTime unknown
音效种类越多的机型往往依赖屏幕或App操作，夜间盲操困难；出行首选实体按键、循环播放单一音效的极简机型，减少睡前折腾
1
Sources
75%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
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Unverified选择支持无缝循环（seamless loop）的机型，廉价白噪音机在音轨衔接处有明显停顿或咔哒声，反而会干扰浅眠者入睡81% similarUnverified内置声音模拟（鸟鸣/自然音效）种类和音质较为一般，对音效助眠有高要求的用户可能不满足79% similarUnverified定时关机功能应优先选支持'渐弱关闭'而非'突然静音'的机型，音量骤停造成的声音落差反而会在浅睡阶段惊醒用户79% similarUnverified扬声器位置需要手动对准耳朵，翻身后可能偏移导致声音变小或偏移，习惯大幅度翻身的睡眠者体验会打折扣79% similarUnverified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78% similar
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