[KongchangAI]
Unverified80% confidenceFactTime unknown

床垫式/床带式非接触监测设备的睡眠分期准确性普遍低于医用PSG,与穿戴式相比对深睡/REM分期误差可达15-20%,若追求分期数据准确应选PPG光电+加速度融合的指环或手环,单纯压电床垫仅适合看趋势

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80%
Confidence
Long-term
Relevance
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First Seen

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