The Signal

The Science of Continuous Health Data

Research, clinical applications and platform insights from the Sensor Bio Team.

A Remote Patient Monitoring Platform Comparison 2026: A Buyer's Guide for Clinics

Clinical Technology

A Remote Patient Monitoring Platform Comparison 2026: A Buyer's Guide for Clinics

What a 14-Day Heart Monitor Catches After TAVR

Clinical Research

What a 14-Day Heart Monitor Catches After TAVR

Real-time physiological data streaming: platform requirements for digital health products

Clinical Technology

Real-time physiological data streaming: platform requirements for digital health products

Single-lead ECG selection for cardiovascular studies: validation and data-access criteria

Biometrics & Data

Single-lead ECG selection for cardiovascular studies: validation and data-access criteria

Meditation and sleep architecture: what wearable signals can and cannot show

Insights

Meditation and sleep architecture: what wearable signals can and cannot show

Fatigue monitoring biosensor selection: criteria for industrial workforce programs

Biometrics & Data

Fatigue monitoring biosensor selection: criteria for industrial workforce programs

Recovery score, decoded: what your wearable actually measures

Clinical Research

Recovery score, decoded: what your wearable actually measures

SpO2 Accurate at Night: Reference Ranges and Signal Context

Biometrics & Data

SpO2 Accurate at Night: Reference Ranges and Signal Context

Low Heart Rate Variability Symptoms: What Your HRV Pattern Can and Cannot Tell You

Biometrics & Data

Low Heart Rate Variability Symptoms: What Your HRV Pattern Can and Cannot Tell You

GLP-1 Wearable Monitoring: What Physiological Signals Matter for Clinical Research

Clinical Research

GLP-1 Wearable Monitoring: What Physiological Signals Matter for Clinical Research

5 Heart Rate Zones: What Each Zone Means for Training

Insights

5 Heart Rate Zones: What Each Zone Means for Training

Post-Viral Dysautonomia: How Long COVID Affects the Autonomic Nervous System

Biometrics & Data

Post-Viral Dysautonomia: How Long COVID Affects the Autonomic Nervous System

RTM CPT Codes and Billing Guide: What Practices Need to Know

Clinical Technology

RTM CPT Codes and Billing Guide: What Practices Need to Know

Inflammation markers on a wearable: what's measurable, what isn't

Biometrics & Data

Inflammation markers on a wearable: what's measurable, what isn't

HRV Biofeedback: What It Is, How It Works, and the Research Behind It

Biometrics & Data

HRV Biofeedback: What It Is, How It Works, and the Research Behind It

SpO2 Monitoring: How It Works, Where It Helps, and What the Accuracy Limits Really Are

Clinical Technology

SpO2 Monitoring: How It Works, Where It Helps, and What the Accuracy Limits Really Are

PPG Waveform Features and Compensatory Reserve: What Optical Signals Reveal Under Hemodynamic Stress

Biometrics & Data

PPG Waveform Features and Compensatory Reserve: What Optical Signals Reveal Under Hemodynamic Stress

HRV in Women: How Hormones Shape Heart Rate Variability Across the Menstrual Cycle and Menopause

Biometrics & Data

HRV in Women: How Hormones Shape Heart Rate Variability Across the Menstrual Cycle and Menopause

Wrist Skin Temperature and Sleep Onset: Why Actigraphy Needs Thermal Context

Clinical Research

Wrist Skin Temperature and Sleep Onset: Why Actigraphy Needs Thermal Context

Multi-Wavelength PPG and Skin Tone Validation: What Fair Wearable Accuracy Requires

Biometrics & Data

Multi-Wavelength PPG and Skin Tone Validation: What Fair Wearable Accuracy Requires