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Alcohol and sleep patterns

Tracking down the effects of alcohol usage

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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Comparing the quality of sleep during two different nights. Being awake more often reduces quality of sleep.
Comparing the quality of sleep during two different nights. Being awake more often reduces quality of sleep.
Biostrap iOS app dashboard and daily heart rate
Biostrap iOS app dashboard and daily heart rate
The box contains three straps, charging cable, charger and two sensors
The box contains three straps, charging cable, charger and two sensors
Biostrap on the wrist - now you see me...
Biostrap on the wrist - now you see me...
... now you don't - Biostrap wears well and easily goes under your sleeve
... now you don't - Biostrap wears well and easily goes under your sleeve
The Biostrap wrist PPG sensor next to a Swatch Sistem 51
The Biostrap wrist PPG sensor next to a Swatch Sistem 51

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