Unverified82% confidenceDecision RuleTime unknown
睡眠用途选择音频时长应≥8小时或支持无缝循环（loop），带渐弱结尾的短音频会在夜间中途停止导致惊醒
1
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82%
Confidence
Long-term
Relevance
-
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Unverified睡眠助眠优先选带无缝循环(seamless loop)音源的机型，劣质机型每30-60秒会出现明显的循环断点声，反而会在浅睡期惊醒用户90% similarUnverified睡眠场景优先选择支持定时渐弱（fade-out）而非硬停的机型，音量在设定时间前10-20分钟逐步衰减，避免突然静音导致的浅睡眠中断惊醒88% similarUnverified助眠用途音频时长应≥45分钟且末段渐弱淡出，短于入睡潜伏期（通常15-30分钟）的音频会在深睡期突然停止导致惊醒；专注用途则应匹配番茄钟25-50分钟87% similarUnverified定时关机功能对整夜睡眠是隐患而非优点：噪音中途关闭会因环境音突然显现导致觉醒，整夜遮蔽应选支持'常开/8小时以上'档位，定时仅适合入睡快的人87% similarUnverified睡眠助眠优先选带真实白噪音发生器（非循环音频）的机型，循环音频每20-30秒的接缝处会形成可感知的重复节点，反而干扰入睡浅睡期86% similar
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