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Summary of polysomnography physiological signal features relevant to obstructive sleep apnea, potential analytical approaches and the goals of understanding these data towards personalized medicine for this disorder. Abbreviations: CAP: cyclic alternating pattern; ECG: electrocardiogram; EEG: electroencephalogram; SpO2: oxygen saturation; PPG: photoplethysmography. Some illustrations used with permission and adapted from (Petryszak et al 2016)
