Once I was diagnosed, thanks to a CPAP recall/shortage during the pandemic I couldn’t get a CPAP machine so used a custom fit oral appliance which took a few days to get used to, but once I did I woke up one day, having done nothing very different from any other day, feeling fresher than I can ever remember feeling.
It was fascinating to realize that I had basically lived my entire adult life of over 2 decades in a half asleep stupor.