Unverified85% confidenceTradeoffTime unknown
睡眠阶段（深睡/浅睡/REM）划分与专业PSG对比存在偏差，深睡时长常被用户反馈偏高或偏低，精度不如医疗级设备
1
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85%
Confidence
Long-term
Relevance
-
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Unverified睡眠阶段划分（深睡/浅睡/REM）与专业PSG对比存在一定偏差，深睡时长口碑反馈偏高或偏低不一，精度不如医疗级但优于多数手环98% similarUnverified睡眠分期（深睡/浅睡/REM）与专业PSG对比存在一定偏差，用户反馈深睡时长有时偏高或偏低，适合长期趋势观察而非单夜精确诊断97% similarUnverified睡眠分期（深睡/浅睡/REM）准确度与医疗级PSG相比存在一定偏差，深睡时长的绝对数值仅供趋势参考，不宜与其他设备横向对比96% similarUnverified睡眠阶段(深睡/浅睡/REM)划分与专业PSG对比存在偏差，用户反馈深睡时长常被高估或低估，趋势参考价值大于单次绝对数值96% similarUnverified睡眠阶段划分（深睡/浅睡/REM）与专业PSG对比存在一定偏差，心率数据整体趋势可靠但逐拍精度不如光电手环或医疗贴片，适合长期趋势观察而非精确单次诊断93% similar
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