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Tracking sleep patterns with Biostrap

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

Nov. 15, 2017 - Willem L. Middelkoop

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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Unboxing Biostrap: it comes well packed in a nice box.
Unboxing Biostrap: it comes well packed in a nice box.
The Biostrap PPG sensor is about as thick as a watch
The Biostrap PPG sensor is about as thick as a watch
Biostrap sensors size compared to an Apple AirPod
Biostrap sensors size compared to an Apple AirPod
Apple HealthKit aggregating data from different sources and devices
Apple HealthKit aggregating data from different sources and devices
The box contains three straps, charging cable, charger and two sensors
The box contains three straps, charging cable, charger and two sensors
Recovery after an heavy Thursday night can take up to days
Recovery after an heavy Thursday night can take up to days

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