Unverified82% confidenceTradeoffTime unknown
睡眠分期（深睡/浅睡/REM）的准确度口碑评价参差，与专业PSG对比存在一定偏差，特别是对频繁翻身或床垫较厚的用户准确度可能下降
1
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82%
Confidence
Long-term
Relevance
-
First Seen
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Unverified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83% similarUnverified深睡/浅睡/REM分期与专业设备对比存在偏差，尤其在频繁翻身或手环佩戴松动时准确性下降，适合观察长期趋势而非单夜精确分析83% similarUnverified非接触式监测（床垫压电传感器/毫米波雷达）依赖体动和心弹图推算睡眠分期，与临床PSG的分期一致率约60-75%，深睡/REM识别误差明显大于腕式PPG+加速度方案77% similarUnverified睡眠分期（深睡/浅睡/REM）数据与医疗级多导睡眠监测有一定偏差，适合做长期趋势参考而非精确诊断依据77% similarUnverified对入睡困难但本身睡眠质量尚可的轻度失眠者效果较明显，对中重度失眠或伴有焦虑症的用户普遍反馈效果有限76% similar
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