Type: Memory foam
Firmness: 7.5 out of 10
Height: 12"
Sizes: 7
Sleep trial: 365 nights
Warranty: Lifetime
Price (on sale): from $349 at Nectar
Type: Memory foam
Firmness: 9 out of 10
Height: 10"
Sizes: 7
Sleep trial: 180 nights
Warranty: 10 years
Price (on sale): from $179 at Siena
There are a lot of similarities between the Nectar and Siena Memory Foam Mattresses. They're both affordable all-foam designs and they even come from the same parent company: Resident Home. So, how do you choose between the Nectar Classic and the Siena Memory Foam Mattress?
Our experienced sleep team has slept-on and tested both models, awarding them a place in our guide to this year's best mattresses for all sleepers. We think they're two of the best memory foam mattresses around, but in this guide, we're going to take a close look at how the two stack up.
Here we'll compare the price, design and comfort of the Nectar and Siena memory foam mattresses, to determine which you should buy in the mattress sales. Will the all-round comfort of the Nectar win out, or should you opt for the firmer support of the Siena mattress? Let's find out...
Nectar Classic vs Siena mattress: Price & extras
- The Siena is a budget mattress, Nectar is lower mid-range
- Nectar includes a 365-night trial and lifetime warranty
- Siena has a 180-night trial and a 10-year warranty
The Siena and Nectar are both affordable mattresses, but if you're on a tight budget, the Siena is the cheaper choice. In fact, we think this is one of the best cheap mattresses around, with an evergreen Siena mattress sale regularly reducing a queen size to $399 (was $769).
A year-round Nectar mattress sale places the Nectar Classic Memory Foam into the lower mid-range price bracket, with a queen costing you $649. You can ignore the "total price" (Nectar's version of the MSRP) as we've never seen this mattress cost that much.
The Siena comes with a 180 night trial and 10-year warranty. That's excellent for a mattress in the budget bracket. However, it's nothing compared to what you'll get with the Nectar. A full year's sleep trial and forever warranty are the kind of deals we expect from the best luxury mattresses.
While many mattress brands do increase their savings around the major deal days, such as the Presidents' Day mattress sales and Black Friday, Siena and Nectar rarely change the saving (outside the occasional and unpredictable flash sale.)
Nectar Classic vs Siena mattress: Design
- Nectar is taller at 12 inches versus 10 inches for Siena
- Siena has a simple design with two foam layers
- Nectar features three foam layers and a cooling cover
Both the Nectar and Siena are all-foam designs made with CertiPUR-US foams, and we rate them both among the best mattresses in a box. Both opt for a simple design with only a few interior foam layers, to keep the price down without sacrificing comfort. So, let's take a peek beneath the covers.
The Siena measures 10 inches tall and features two interior foam layers: an upper layer of responsive gel-infused memory foam and a base layer of sturdy support foam. The polyester cover is soft and breathable, with a shift-resistant lower cover.
Nectar's cover has been woven with cooling fibers to create a refreshing feel, while the bottom cover is durable and shift-resistant. Measuring 12 inches, it's taller than the Siena mattress and contains more foam layers: three, instead of two.
The upper foam layer provides the Nectar with contouring pressure relief, while three inches of responsive foam beneath add dynamic support (it moves with you to keep you cradled.) At the base is what Nectar describes as a "motion isolation layer", an eight-inch block of foam that offers sturdy support.
Nectar Classic vs Siena mattress: Comfort & support
- Siena is firm (9/10), while Nectar is medium-firm (7/10)
- Nectar offers more pronounced body contouring
- Siena has better edge support, both have great motion isolation
While there are some similarities to the design, the difference in feel between the Nectar and Siena mattress is pronounced. In our Siena Memory Foam Mattress review we rated this bed a nine out of 10 on the firmness scale, indicating a very firm feel. This is significantly firmer than both the Nectar (which we rated a 7.5 out of 10) and the medium-firm feel described by Siena.
In terms of sleep feel, our Nectar Classic Memory Foam Mattress review team described the cushioned surface as "soft and tactile yet supportive". It offers some body contouring, but it's still responsive enough to make it easy to change position, and you won't sink in so far you feel like you're being smothered.
The Siena is similar but firmer, with only subtle body contouring at the shoulders and hips. This lack of cushioning makes the Siena too firm for most side sleepers, but the sturdy support across the lower back makes it one of the best mattresses for stomach sleepers.
On the other hand, we judged the Nectar to be one of the best mattresses for side sleepers, while the dense support makes it a good all-rounder. Lying on your side, the softer comfort foams cushion the touch points where your body presses into the mattress. But if you sleep on your back or stomach, the lack of sink means your hips and spine won't sag uncomfortably.
Budget-friendly all-foam mattresses don't always deliver the best edge support, but the Siena was an outlier here: we were extremely impressed by how sturdy this mattress' edges were. In contrast, the edge support on the Nectar was good but not great. We also found both mattresses isolated movements well, making either suitable for restless sleepers or those sharing a bed.
Neither mattress has much bounce, as the thick foams absorb movement. If you prefer a more responsive feel, we recommend considering the spring-and-foam design of the best hybrid mattresses. (And it's worth noting, both the Nectar and the Siena are available as a hybrid model.)
Nectar Classic vs Siena mattress: Temperature regulation
- Both offer great temperature regulation
- Not as cool as a specialist cooling model, but fine for most people
- Nectar's 365-night trial lets you test it in all seasons
All-foam mattresses can have a nasty habit of clinging on to the sleeper's body heat and radiating it back to them. While the coils in hybrid and innerspring models create space for air to circulate within the mattress, the denser structure of memory foam models traps warmth.
However, we were impressed by how well both the Nectar and the Siena regulated temperature – our review panel gave both mattresses the same 4/5 score for this aspect of our reviews.
Our testers found that while neither mattress was cool to the touch, both maintained a neutral feel overnight. The Nectar does have a slight advantage here, thanks to the 365-night trial: you can test the mattress across all the seasons.
We were pleased with the temperature regulation of both models, but if you're a very hot sleeper, we recommend opting for one of the best cooling mattresses instead.
Nectar Classic vs Siena mattress: Which should you buy?
Buy the Nectar Classic Memory Foam Mattress if...
✅ You're a side sleeper: The Nectar's softer sleep feel and more pronounced contouring allows the shoulders and hips to sink comfortably into the mattress, preventing pressure build up but still ensuring the spine is well supported.
✅ You want the best all-round package: The Nectar comes with a full year's sleep trial and forever warranty. That's more comprehensive than what you'll get with the Siena.
✅ You share a bed: Like all the best medium-firm mattresses, the Nectar is good for many different sleep styles and body types. That means both you and your partner can get comfortable. Plus, the excellent motion isolation means tossing and turning is less disruptive.
Buy the Siena Memory Foam Mattress if...
✅ You're on a tight budget: The Siena is ridiculously cheap but despite a low price tag it still offers excellent quality. It's by far the best quality mattress we've tested in this price bracket.
✅ You're a back or stomach sleeper: Back and stomach sleepers should opt for a slightly firmer mattress to ensure their hips don't drop too low into the bed, leaving the spine in an awkward position.
✅ You need strong edges: The Siena has sturdier edge support than the Nectar, allowing you to sit or sleep close to the sides without sliding off. This is good for bed sharers seeking space, and those with limited mobility who need to push against the mattress for a boost out of bed in the morning.
