Renehofman

Take your time and pick the one that will be ideal for you and your design wants and needs.
sofa bed is multipurpose and can be considered as space-saving contemporary furnishings as it is both a bed and a sofa. This might possibly be highlighted by thinking of the shape of one's back.

Keep in mind, that simply since the bed mattress is thicker that doesn't indicate it's much better.
Handling upholstery is not something you can discover from YouTube, nor from articles.

You can do a quick color check by spraying a little of the spray on a corner of the couch to see if you're satisfied with the color.
This might be achieved by purchasing a bed skirt or a bed linen set.