You are correct - there are lots of other things one can do if one has poor sleep.
But apnea is radically different than "can't fall asleep" or "keep waking up". I fall asleep pretty easily and stay asleep. And I thought I slept soundly and deeply. And wondered why I felt tired anyway, needed a nap every weekend, and had my brain unable to work in the evenings (after using it hard all day).
CPAP did not make me fall asleep more easily. But it has improved how rested I feel significantly.
A quick detour in the realm of explanation.
Apnea is when you stop breathing while asleep. It's typically a structural thing, and CPAP helps with that (keeps open the structures that close when they shouldn't).
When you stop breathing, your blood oxygen levels drop.
From your body's point of view, you are being asphyxiated. And so your body produces a lot of the same stress hormones (adrenaline, cortisols) that it would if you were being mugged and choked. But you stay asleep (most of the time). And you seldom really get to REM sleep or deep sleep.
So though you may get "plenty" of sleep, and have an easy time falling asleep, you don't get good quality sleep, and your body is coping with multiple dumps of cortisols etc into your bloodstream.
It's a different problem set than what most people consider "poor sleep".
TAR What I'm saying is even if you address the other factors, if you have apnea, you need to address that as well to get healthy, restful sleep.
Absolutely. And please don't mistake what I posted as even amateur medical advice anyway.
