Validation of Software for Assessment of Sleep Apnea From Data Acquired by a Wearable Smartwatch
Validation of Software for Assessment of Sleep Apnea From Data Acquired by a Wearable Smartwatch
This clinical validation study aims to evaluate the utility of Fitbit's Sleep Apnea Alert
 software for minimally invasive monitoring of sleep apnea events to alert users of their risk
 of sleep apnea. The Sleep Apnea Alert software analyses data from a Fitbit commercially
 available wrist photoplethysmogram (PPG) device. The Sleep Apnea Alert software is an
 investigational software as medical device (SaMD) and is designed to retrospectively process
 data and flag users who have physiological signals consistent with an apnea-hypopnea index
 (AHI) of 15 or greater. This clinical validation study will be used to validate Fitbit's
 PPG-based sleep apnea algorithm. The outputs of the Fitbit Sleep Apnea Alert software will
 not be available to study participants, as the scope of this study is to gather validation
 data only and does not include testing product usability components.
Inclusion Criteria:

 -  Capable of giving informed consent

 -  Comfortable reading the provided written study instructions in English (and/or local
 language) and using a smartphone in English (and/or local language).

 -  Have medical insurance either in the form of private insurance or a national health
 program.

 Exclusion Criteria:

 -  No implanted cardiac devices

 -  Not pregnant. Pregnancy status will be confirmed per patient report of medical
 history, i.e., patients will be asked if they are pregnant or may be pregnant, and
 date of last menstrual cycle.

 -  No medical conditions which might lead to consistently low levels of perfusion in the
 vasculature at the wrist