A good first step for plus-size sleepers is to look for a hybrid mattress with a taller height. Over the years, I’ve found that a mattress height of 12 inches or more is a good indicator that it’s designed to support larger bodies. Too often, heavier sleepers may find themselves sinking too deeply into the mattress because the materials aren’t firm enough. The mattress can’t push back enough to keep the sleeper hovering atop it, so the sleeper bottoms out and hits the support core of innerspring coils or firm foam. They get none of the benefits of the top layers and generally feel unsupported, which manifests as back pain or achy joints. At 15.5 inches tall, the Saatva HD can’t relate. It’s one of the more heavy-duty hybrid mattresses I’ve come across. Its seven-layer build is true to its “heavy duty” name, with both sides rated to support 500 pounds.

The Saatva HD’s firmness level will ultimately depend on the sleeper’s build. I found it to be a true firm mattress, which I’d put at 7 out of 10. However, my dad rates it a much softer 5 out of 10. This is to be expected—with more mass pressing into the mattress, the materials compress more. It ultimately results in a softer feel, even if the bed’s overall firmness rating is higher according to the manufacturer.

Mover and Shaker

I thought the Saatva HD distributed my body weight well, keeping my lower back from sinking out of alignment. I don’t receive as much contouring or “sink-in” as other memory foam and latex hybrids I’ve tried, such as the Wolf Memory Foam Premium Firm Hybrid, which I prefer for side sleepers. However, I have to keep in mind that I’m not the target demographic for this bed. This hybrid mattress is doing a relatively good job with pressure relief for builds like mine—it’s just a more buoyant feel over a deeply cushioning one. I find this very nice for back and stomach sleepers seeking a bit of hip cushioning while maintaining a straight spine. If you’re a plus-size sleeper, though, you’ll be getting more of the sink-in feel along with lumbar support.

When I asked my parents for feedback on their experience, they praised the Saatva HD as a mattress for co-sleepers with different body types. Many couples of different builds may find motion transfer is an issue. Every time the bigger sleeper moves, the smaller sleeper is often shaken by the motion generated. When it comes to the Saatva HD, my mom says she barely feels my dad moving around in his sleep—impressive, as she said she used to feel like she was being rocket-launched off of her last mattress from even the smallest movements.

If I’m testing a mattress with a surface that’s too soft, I can feel a sort of cratering effect from my husband next to me. That did not happen even once while testing the Saatva HD. The density and durability of the HD’s materials help maintain even support for both parties. This applies to the outer edges, as well. I can confidently say that every Saatva mattress I’ve tested offers strong edge support, including the Saatva HD. I can sit, lie down, or get in and out of bed without fear of tumbling to the ground.