Tag: fitbit HRV accuracy
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Fitbit and Your Nervous System: What It Does Well, and Where It Falls Short
The Fitbit wearable nervous system tracking story begins with the right framing. Fitbit does not position itself as a clinical instrument — it positions itself as the most accessible entry point into biometric self-awareness. Where the Fitbit nervous system data holds up Sleep and wake detection is Fitbit’s strongest suit. Modern Fitbit devices combine accelerometer…