How long a sleeper sofa lasts will depend on its construction, the wear and tear it’s required to endure, and its style. In the past, a sofa can only last up to 10 years. If it actually does last 10 years, it’s considered by homeowners as a miracle. However, top-end sleeper sofas, especially the units sold online as of the moment, come with lifetime guarantees. Yes, you heard that right! Even their mechanisms are guaranteed. Some sofas, the ones that are more affordable, come with 12-month statutory guarantees. They can be extended if you desire.
Additional protection for the upholstery fabric is available for an additional cost. There's also insurance that will cover rips, burns, and scratches. With that being said, make sure you buy your sleeper sofa from a reputable furniture maker.