[KongchangAI]
Unverified85% confidenceFactTime unknown

睡眠分期(深睡/浅睡/REM)准确性以多导睡眠图(PSG)为金标准,消费级设备分期准确率普遍在70-80%,选购时体动+心率变异(HRV)双参数机型比纯体动机型分期误差低约15%

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85%
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Long-term
Relevance
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