Fig. 1

A Vertical integration between CAP fluctuations during NREM sleep, respiratory events, oxygen desaturation and pulse rate dynamic in a patient affected by OSA. B figure published in Riedel et al., 2023 showing the vertical integration between ICP oscillations, obstructive apnea events and sleep fragmentation. C example of physiological CAP fluctuations during NREM sleep in a healthy subject. D example of stable NREM with no CAP intrusion