We're spending a week in WDW with my family (DH and 3 kids ... 4 yo, 3 yo and 16 mo old), my parents and my MIL. I'm still debating where to stay, but now we're considering renting DVC points. How comfortable are the sleeper sofas? We'd get a 2 bdrm which would mean a bedroom for my parents, a bedroom for DH and I plus the kids, and my MIL on the sleeper sofa in the living room. I'm just concerned it won't be a good option for her!