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Ultra firm mattresses provide exceptional full-body support you’ll never wake up worried you’re sinking into quicksand.
Ultra firm mattresses aren’t exactly crowd-pleasers, but a few have made it into ourbest mattress of 2025guide.
Let’s explore the savings…
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But this is a double-sided mattress, so flip it over for a touch more cushioning.
There’s 30% off right now and this saving only occurs around the major holidays.
And you’ll get a 120-night trial and a 10-year warranty.
It’s always on sale but for Black Friday, Siena has increased the deal.
It also comes with a 180-night trial and a 10-year warranty.
That’s a competitive price for a mattress that supports up to 1,000lbs.
Benefits include 10-year warranty, 120-night sleep trial, and free shipping.
