My dad's been bugging me lately about my own snoring, which he hears from across the hall. This tells me I'd likely be heard in a van, too, unless I build my sleeping quarters for ME instead of some generic person. Sleeping position is important.
As for those thinking a CPAP would help....I doubt it. They make as much noise as snoring, so what's the point? I tried one and found it almost impossible to exhale, as the idiot set it way too high for normal breathing. They didn't want me to interfere with the settings, either. In addition, it dried my throat something awful, making me snore even more. I kept waking up coughing and couldn't shake those dry bronchial passages. I woke up feeling like I hadn't been to sleep at all. The final insult was when they told me they wanted to charge me well over $2,000 for what amounts to a glorified hotplate and blow-dryer! I told that nut that I could build one with brand-new parts for less than $100, and best of all, it would be adjustable from the front panel by the user! Fortunately, they dragged their feet and my insurance ran out before they could get that thing and I've done without for the last ten years. I'd guess that the current drawing requirements for these things would not be inconsequential, either, especially in a solar/stealth setup.
I've told my dad that, if I can get over his insane desire to interfere in my daily affairs (I'm 63), he can get over my snoring. Besides....I hear him all the time from all over the house, and it's thunderous.