Oura Smart Ring (activity, sleep, heart rate tracker on a finger)
Continuous Glucose Monitoring Systems (CGMS)
Lingo by Abbott (OTC) - over-the-counter, non-prescription CGMS very similar to the Freestyle Libre 2 but the over-the-counter version and lasts 14 days of wearing
Dexcom Stelo (OTC) - over-the-counter, non-prescription CGMS; pack of 2 sensors each of which lasts 15 days
At-Home Sleep Study (self-ordered and sleep specialist interpreted)
WatchPAT ONE - self-ordered and delivered "at-home sleep study" and including virtual meeting with a sleep specialist who can interpret results, counsel, and prescribe CPAP therapy if indicated
Wellue O2 Ring Oxygen Monitor - wearable oxygen monitor for daytime and overnight oxygen monitoring with free App and reports