The only draw back, as far as I am concerned, is the sleeping arrangements in a B plus. We tried using it the way you're suppose too but hated that climbing in and out over one another too get up during the night. NOW the husband sleeps on the sofa part. I sleep on the dinning table/seat area. I am still trying too find a mattress too fit that area as it is shorter than the sofa area. Finally we have found a place that makes Lazy Boy chairs. We think we can order an 8 inch thick piece of foam too make our own mattress so too speak. I do hope that works....