I remember being younger and visiting my Grandparents home. They also slept in seperate bedrooms. I never did understand why until I became married. LOL
I've headed into the other bedroom many a times to get some sleep due to Robert snoring. It's like I sleep walk there because I wake up in the morning not realizing I had even done it; but clearly understanding why.
From what I can tell it seems there are more amount of men who snore than don't. And....more women who clearly lose sleep over it than don't.