If you need one of those little four wheeled grocery scooters to get around, I have a feeling you won't be crawling into a cocoon of craned-neck tv viewing any time soon.
Action! Bed! Action! Couch! Action! Get a bottle of water from the fridge without leaving bed! Action! Get drunk on the roof!
I don't think a simple handrail could help me not feel like I'm waking up in my own coffin every morning but you've gotta do what you've gotta do.