I love this mattress! I ordered it for a guest room and decided on a hybrid because I was switching to a platform type bed. It’s a little springier than a full memory foam mattress, but the trade off is you get a cooler sleep at night. It took about 24 hours to fully expand, with no noticeable off gassing odor. A guest has already slept on it and LOVED it. I had a bit of a mix up with trying to get my old box spring hauled away, Wayfair couldn’t get me an appointment to do that for about a month after mattress delivery. I ended up using another company who came the next day for about the same price. Be aware if you live in CA the haul away is not free. Would highly recommend this Crayan mattress!