Sealy, which is now owned by Tempurepedic, has loaded everything Sealy makes with memory foam.
That hotel Posturepedic mattress is made without all that memory foam.
If you like that mattress, you can buy it through the hotel.
It'll cost more to buy that way, but those Sealy Posturepedic mattresses are much better made than anything they make for the retail market.
It's a much better buy, in the long term, due to the better durability.
Memory foam is the worst upholstery material ever invented. It is thee thing to avoid, if you want a good mattress.