There are more than a few free apps that can record audio of you the entire night in a zoomable, scrollable way (i.e. you look for the spikes in the waveform an

There are more than a few free apps that can record audio of you the entire night in a zoomable, scrollable way (i.e. you look for the spikes in the waveform and listen to them) I used these for a bit in figuring out my own CPAP needs.