They say "90% accuracy" for apnea - definitely not high enough for a diagnosis. The study's lead investigator is talking about this as a screening test, not as

They say "90% accuracy" for apnea - definitely not high enough for a diagnosis. The study's lead investigator is talking about this as a screening test, not as a firm diagnostic. And given the involvement of UCSF in the study, I'd take this pretty seriously - just make sure to pay attention to the claims the study is actually making, and not the science-journalism hype.