Research Article

A Pilot Study of Detecting Individual Sleep Apnea Events Using Noncontact Radar Technology, Pulse Oximetry, and Machine Learning

Figure 2

Illustration of the respiratory waveform from Somnofy during hypopnea, obstructive apnea, central apnea, and mixed apnea. The respiratory waveform measured by Somnofy is clearly reduced during HSAT classified hypopnea and obstructive apnea (a), central apnea (b), and mixed apnea (c).