Just add a memory foam topper when using as a bed and you're good to go! Not a huge footprint in the room and is quite comfy as a reading spot when not using as a bed.
LYCKSELE LÖVÅS sleeper sofa, Ransta natural
The only place I shop for duvet covers - have had for years and they hold up nicely. All cotton is chef's kiss.
Quality Duvet Covers & Duvet Sets
I'm renting and these are so great for being able to display my favorite pictures, my deck lights, windchimes, and keys