The mattress seems comfortable enough, and it has inflated as far as I expect it will after 48 hours. But the problem is that this “twin” mattress is too big for our twin daybed frame (also purchased from Wayfair). The frame has a headboard and sideboard so the mattress hangs over the edge by about four inches on the side and end. I suspect this is because the mattress hasn’t expanded upward as far as it is supposed to, but either way whenever you get too close that edge or stand up it feels like the mattress is going to tip off the frame. I’m going to to give it few more days before I contact Wayfair.