Can I use the Purple mattress with a power base I already own? Your Purple® Mattress will work great with any adjustable base. Related articles What do I do with the Purple Mattress after its lifespan? Can I recycle it? Is this a soft or firm mattress? What's the life expectancy of the Purple Mattress? Is there a weight limit for the Purple Mattresses? How Does Purple Compare to Tempur-Pedic?