[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

追求睡眠分期精度(区分深睡/浅睡/REM)应选带PPG光学心率+加速度计的方案,仅靠体动检测的仪器只能判断睡/醒,分期误差可达30%以上

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