Does Siena give off a smell when opened?

Compressed memory foam mattresses often give off a slightly chemical odor when opened, called off-gassing. We haven't found this to be a significant issue in Sienas (though off-gassing is 100% safe!). If you do notice a faint smell, open a window and it should fade relatively quickly.

How easy is it to return a Siena mattress?

Incredibly easy! All you have to do is get in touch with one of our agents via chat, email, or phone (1-855-913-1789). We'll arrange for your mattress to be collected, and process your refund. Fun fact: all returned Siena mattresses are donated to charity, giving the gift of better sleep to someone who needs it.

Do I have to pay to return my Siena mattress?

Siena returns are always free! If you paid an additional delivery charge at checkout (for those shipping to Hawaii or Alaska), that fee won't be included in your refund.

Do I need to keep any of Siena's packing materials in case I decide to return it?

You don't need to keep any packing materials in order to process a return. Thank goodness, since we don't think you'd be able to get your mattress back in the box!

What is the 180-night home trial?

When you buy a Siena mattress, you get 180 nights to decide if its the right one for you! Easy returns mean you don't have to think twice before giving things a shot. (We do recommend keeping your mattress for at least 30 days before initiating a return – adjusting to any new mattress can take some time.)

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$199

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Siena 6” Essential Foam Mattress

Name: Siena Essential 6" Foam Mattress, Medium Firm Support
Brand: Siena
SKU: snfmsixbz
Price: 79 USD
Availability: InStock
Rating: 5 (4 reviews)

6” of high-quality foam makes sure your Siena Essential Foam Mattress is just as comfortable as it is affordable. With three innovative layers, it’s your slim, everyday solution to better sleep.

Available upgrades

Compare

Siena 6” Essential

-$30

Ultra-Thin Profile
Dual Action Foam Layer

Siena 8” Essential

+$30

Ultra-Thin Profile
Pressure-Relieving Memory Foam

Pay Now

$199

(Total Value $869)

As low as

at 0% APR Financing

Monthly payments as low as

0% APR financing.

IN STOCK

Ships in 1 - 2 business days

180-Night Home Trial

10-Year Warranty

Free Shipping & Returns

Other people want this.

Over 25 people have this in their carts now.

Available 24/7

Our Sleep Specialists are here for you.

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+1 (844) 973-4717

Three layers, great sleep

You and your mattress will spend about a third of your life together. Get to know Siena’s high quality materials – all at a price you’ll love.

Breathable Top

Our lightweight, breathable top fabric promotes airflow to keep you cool and comfortable throughout the night.

Dual-Action Foam Layer

Designed for both comfort and stability, this dual-purpose foam layer gently relieves pressure while supporting your body’s natural alignment. For solid, dependable sleep.

Durable Cover

A durable outer cover that’s built to last, protecting your mattress and ensuring consistent performance over time.

Three layers, great sleep

You and your mattress will spend about a third of your life together. Get to know Siena’s high quality materials – all at a price you’ll love.

1
Breathable Top

Our lightweight, breathable top fabric promotes airflow to keep you cool and comfortable throughout the night.

2
Dual-Action Foam Layer

Designed for both comfort and stability, this dual-purpose foam layer gently relieves pressure while supporting your body’s natural alignment. For solid, dependable sleep.

3
Durable Cover

A durable outer cover that’s built to last, protecting your mattress and ensuring consistent performance over time.

Product Specs

Comfort you can count on

Premium foam layers work together to relieve pressure and support your entire body. The result? Sleep so restful, you'll wonder how you ever managed without it.

Sleep through anything

Forget about feeling every shift and shuffle. Our mattress design ensures motion stays put, so nighttime movements won't pull you from your sweet, blissful dreams.

Stay cool all night

Our breathable top keeps air moving so you stay at your perfect sleep temperature all night long. Revel in the kind of steady comfort that keeps you sleeping soundly.

The most fun you’ll have opening a cardboard box

Move

into the room where your mattress will live

Unbox

and place your mattress onto your bed frame or base

Unroll

your mattress and remove the plastic wrapping

Enjoy

dreamy, comfortable sleep!

Try our 100% risk-free 180-night home trial

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Supportive. Like a good friend.

Say goodbye to budget mattresses that leave you tossing, turning, and totally sinking. Siena keeps your body supported, so you can actually get the sleep you’re searching for.

Less stress, more zzz’s

Affordable mattresses often come with trade-offs—but not ours. Our mattresses are made with CertiPUR-US® certified foams and fiberglass-free construction, delivering safe, worry-free sleep at a price that feels just right.

Sleep On It for 180 Nights

We want to make sure you really love your mattress. That’s why we offer a risk-free 180 night sleep trial. You get a whole six months to try out the Siena mattress in the comfort of your own home.

We’ve got your back

Here at Siena, we stick to our word. If there’s any defect in your Siena in the first 10 years, we’ll repair or replace it for free.

Unbox your best sleep

Mattress shopping made simple

*Price reflects the subtotal of current promotion on Siena. Additional shipping fees may apply in AK and HI. Price may not reflect any current promotions or discounts. Last Updated: 02/12/2026.

Siena 6” Essential Foam Mattress

$199