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Measuring stress levels with Biostrap

Wearing a clinical-grade photoplethysmography (PPG) sensor for a month

Nov. 15, 2017 -

Most wearables (smartwatches, fitness trackers, etc.) use very basic sensors to capture heart rate. Their signal is binary: just counting beats. Biostrap is different, instead of just checking pulses, it captures a high-fidelity PPG waveform. These waveforms are the same kind that doctors use, making me wonder what I could learn from them!

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One month of Biostrap health data
One month of Biostrap health data
Biostrap sensors size compared to an Apple AirPod
Biostrap sensors size compared to an Apple AirPod
Recovery after an heavy Thursday night can take up to days
Recovery after an heavy Thursday night can take up to days
Heart rate variability (HRV) as measured and explained by Biostrap
Heart rate variability (HRV) as measured and explained by Biostrap
The Biostrap PPG sensor is about as thick as a watch
The Biostrap PPG sensor is about as thick as a watch
The box contains three straps, charging cable, charger and two sensors
The box contains three straps, charging cable, charger and two sensors

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