[KongchangAI]
Unverified75% confidenceTradeoffTime unknown

音源丰富度与助眠效果并不成正比:科学研究支持的是白噪音/粉噪音/棕噪音等宽频遮蔽音,鸟鸣溪流等自然音因存在信息量反而可能引起注意力,音效数量多主要是营销卖点

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