Between experts, customer reviews, and the Good Housekeeping Institute’s testing lab, these are the 11 best deep couches.

“A really comfortable sofa would have a spring base, then cushions. If the base contains a pull-out mattress instead of that spring base, it’s going to be less comfortable to sit on.” ...

This functional furniture is designed to keep guests comfortable ... our rigorous testing of the best couches, the West Elm Shelter Sleeper Sofa stood out as the ... [+] best sleeper couch ...

I’ve logged many nights sleeping on couches, futons, and pull-out beds. My back and I know ... I’m committed to finding the most comfortable deep couches—and it looks like you’re coming ...