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Wearables Sep 28, 2026 1 min read 1,531 Reads

Smartwatch Health Sensors: ECG, Blood Pressure, and Sleep Tracking

SA
Super Administrator
Sellora Editorial Staff
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Smartwatch Health Sensors: ECG, Blood Pressure, and Sleep Tracking

Wrist-worn telemetry has evolved from simple step counting to clinical-grade cardiovascular and metabolic monitoring.

Optical Heart Rate vs Bioimpedance Sensors

Multispectral LED sensors combined with skin temperature sensors provide pinpoint accuracy during high-intensity training intervals and deep sleep cycles.

SA

Written by Super Administrator

Senior technology editor and product reviewer at Sellora. Covering consumer electronics, smart hardware benchmarks, and shopping guides.

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