The Siena is comfortable, yet supportive and is rated 6.5 out of 10. This makes it a medium firm mattress. Why this firmness? That’s because it is the sweet spot for the vast majority of people – not too hard, not too soft. And it’s a firmness that works well for different sleep positions, whether you’re a back, front, or side sleeper (or combination of all three).
How firm is a Siena?
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