willem.com blog

Biostrap on my wrist

Long term sleep patterns monitoring

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!

Continue reading
One month of Biostrap health data
One month of Biostrap health data
The Biostrap PPG sensor is about as thick as a watch
The Biostrap PPG sensor is about as thick as a watch
The Biostrap wrist PPG sensor next to a Swatch Sistem 51
The Biostrap wrist PPG sensor next to a Swatch Sistem 51
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.
Heart rate variability (HRV) as measured and explained by Biostrap
Heart rate variability (HRV) as measured and explained by Biostrap
Biostrap iOS app dashboard and daily heart rate
Biostrap iOS app dashboard and daily heart rate

Other stories

all blog posts

Tagged

DataDesignExperimentHealthReviewWatch