Read the full Purple 3 Mattress Review by the Sleep Sherpa:
Check out the new Purple 3 mattress and how it compares to the original Purple and Purple 4 mattress. In my opinion, the Purple 3 mattress is significantly firmer than the Purple 4 and so would be better suited to back sleepers and occasional side sleepers.
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All reviews from Sleep Sherpa are based on my personal views of the product. If you use one of my links and purchase a mattress or other product you should know that most of the companies pay me a small referral fee. This is how I earn a living. Also, most of the products reviewed were given to me by the manufacturer. Visit for more information.