My husband and I both do not like the soft edge and how easily you could roll out of bed. We are elderly and a fall like that could be serious. We will try it a bit longer to see if we get used to this.
I already recommended it - or at least recommended that a friend with similar back problems look into it. We recently purchased our Tuft & Needle mattress because my doctor informed me that I would be required to either stand or lay down for 2 to 3 weeks after surgery - no sitting. We replaced a wonderful but extremely firm futon, and so far I've found it much more comfortable.
We just purchased a mattress from tuft&needle and so for we love it. It been a week an half since we got it. And they say it take at least two weeks before it conforms to your body. It seems like I am sleeping a little better on it. I use to wake up a lot during the night but not so much with this mattress. I still wake up but but not as much as I did. And that means a lot when you are waking up a lot in the middle of the night. I am so glad our friends recommended this mattress to us.