Jean .. you verified my point.. oximeters readings are taken after the act of snoring and after air has entered the airways and lungs.

MelLavoi, the oximeter measures the O2 level in the blood, after the air has gone into the lungs. You breathe in and your lungs exchange the O2 you breathed in for CO2 that you breath out. The O2 attaches to the blood cells as they pass through the lungs and take O2 to all the parts of the body. The oximeter wouldn't work if the O2 hadn't already entered the lungs and moved on.

@A MyCOPDTeam Member, Thank you for your reply, and the information.

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A MyCOPDT...

Is it true an oximeter is indicating the percentage of oxygen in your blood and it's not telling you oxygen is entering your lungs? The oximeter is therefore indicating the results of the lungs and airways and not if oxygen is getting into the lungs unobstructed by physical structures. The act of snoring can be a physical effect on air entering the airways and lungs. The oximeter is used to indicate the results of the complete breathing system and may not an indicator of a specific problem that may be caused by something like snoring.
Air containing oxygen has to go through airways before getting into the lungs. Snoring happens in these airways producing sound waves we recognize and call snoring. An adequate amount of air could enter the airways and get into the lungs and the lungs, if not operating efficiently, could effect the readings on an oximeter. This tells us an oximeter may be just one of the tools we can use to indicate the efficiency of the complete system and it can not be reliable as an indicator of air or oxygen reaching the lungs.
Is this correct?

whoops I snore on intake which can have the ability to limit the quantity of air getting to the lungs but because I'm alive when I wake up. I suppose I'm getting enough to stay alive... unless I'm one of those silly walking dead things.