Unverified80% confidenceTradeoffTime unknown
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
1
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80%
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96% 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96% similarUnverified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96% similarUnverified睡眠分期（深睡/浅睡/REM）数据与PSG多导睡眠图对比存在明显偏差，深睡时长常被高估或低估，适合看趋势但不宜逐夜较真具体数值94% 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94% similar
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