I have slept on Tempurpedic for the last 19 years and won't sleep on anything else. I bought the Adapt to replace my 2001 old school era Tempurpedic mattress. It was a seemless switch without any adjustment period. Just more supportive, pressure free, comfortable sleep. Spring mattresses of all sorts put pressure on my hips that leaves me tossing and turning all night. I am highly sensitive. But not my Tempurpedic! I'm a fan for life.