[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

监测心率变异性(HRV)和呼吸率的枕垫,压电式传感器精度需≥95%才能准确识别孕妇的睡眠阶段(浅睡/深睡/REM),单纯只测翻身次数的产品无法评估睡眠质量

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