[KongchangAI]
Unverified80% confidenceFactTime unknown

睡眠分期(深睡/浅睡/REM)准确性上,医用金标准是多导睡眠图(PSG)。消费级设备中,同时采集心率变异性(HRV)+体动+呼吸的多信号设备分期准确率约70-80%,纯体动腕表约60%左右,对深睡时长普遍高估

1
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80%
Confidence
Long-term
Relevance
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First Seen

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