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¹Offer subject to credit approval. During the offer period, new accounts that qualify will earn a $50 statement credit instead of a $30 statement credit that you may see otherwise advertised. To qualify, you must (i) apply and be approved for a Sam’s Club credit card account between June 24, 2026—July 7, 2026 and (ii) use your new account to make Sam’s Club purchases totaling $30 or more (excluding cash advances, gift card sales, alcohol, tobacco and pharmacy purchases) within 30 days of date of account opening. When you open an account online or with your mobile device, purchases cannot be made at in-club registers until the physical card is received. Your physical card should arrive in 7–10 business days from date of account opening. A $50 credit will post to the account within 90 days after the qualifying purchases are made. Offer is valid for newly opened accounts only and each account is eligible for only one $50 offer, in lieu of, and not in addition to, any advertised $30 offer.

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Zinus Night Therapy 12" Medium Gel-Infused Memory Foam Mattress

Instructions

<p>The Night Therapy Medum Gel-Infused Memory Foam Mattress delivers a sleep experience that's perfectly balanced and universally comfortable. Designed with innovative materials and layered for optimal comfort, this mattress cradles your body while helping you maintain a cooler, fresher sleep environment.</p> <h3>Sleep Easy with Our 10-Year Warranty</h3> <p>Your comfort is covered. Every Zinus mattress comes with a 10-year limited warranty for long-term peace of mind.</p> <h3>Cooler Sleep, Night After Night</h3> <p>Gel-infused memory foam helps disperse body heat and promotes better airflow, creating a cooler surface that supports uninterrupted sleep, even on warm nights.</p> <h3>Targeted Pressure Relief</h3> <p>Our patented Custom Contour Support layer is designed to adapt to your unique shape, actively cushioning pressure points at your hips, shoulders, and knees for unparalleled comfort and support.</p> <h3>Freshness Built into Every Layer</h3> <p>Foam layers are infused with green tea to keep your mattress and your sleep naturally fresh, so you can wake up feeling your best.</p> <h3>Frequently Asked Questions&nbsp;</h3> <p><strong>What bases are compatible with this mattress? Does it need a Boxspring?</strong></p> <p>This mattress pairs with any box spring, platform bed, or Zinus SmartBase®.&nbsp;&nbsp;</p> <p><strong>How is this mattress delivered to me? How do I unbox this mattress? </strong></p> <p>This mattress-in-a-box arrives compressed and expands in 24 – 72 hours.&nbsp;&nbsp;</p> <p><strong>What is this weight limit for this mattress or mattress set? </strong></p> <p>Twin/Twin XL: Up to 250 lbs; Other sizes: Up to 500lbs</p>

Brand

Model

<ul>  <li>Available in Twin, Full, Queen and King</li>  <li>Covered by Sam's Club Satisfaction Guarantee and Covered by Zinus' 10-year limited warranty</li>  <li>Compactly rolled and shipped in a box for easy setup</li>  <li>Medium feel ideal for a wide range of sleepers</li>  <li>Gel-infused memory foam offers a cooler, fresher sleep experience</li>  <li>Pressure relieving layers and natural infusions deliver a refreshing, rejuvenating sleep experience</li>  <li>Made with CertiPUR-US® certified foams and a soft OEKO-TEX® certified cover</li> </ul>

Specifications

flags

<ul>
<li>Available in Twin, Full, Queen and King</li>
<li>Covered by Sam's Club Satisfaction Guarantee and Covered by Zinus' 10-year limited warranty</li>
<li>Compactly rolled and shipped in a box for easy setup</li>
<li>Medium feel ideal for a wide range of sleepers</li>
<li>Gel-infused memory foam offers a cooler, fresher sleep experience</li>
<li>Pressure relieving layers and natural infusions deliver a refreshing, rejuvenating sleep experience</li>
<li>Made with CertiPUR-US® certified foams and a soft OEKO-TEX® certified cover</li>
</ul>

Size

Twin

Full

Queen

King

This bed has completely ruined my work ethic.  I used to start my work day an hour before my first client arrived, and now I hit snooze as many times as I can to stay nestled into this mattress.  Our previous mattress caused me so much back pain that I was sleeping on the couch instead of in bed with my husband.  With this mattress, I wake up pain free every morning.  For the first week I kept finding excuses to go to bed early just so I could spend more time in bed.  We're so pleased with the quality, comfort, and price that we purchases another Night Therapy Gel Infused Memory Foam mattress for our daughter's twin bed.

Exceeds Expectations

I have never purchased a mattress without seeing it in person so I was skeptical.  It arrived in a small box and I was even more skeptical.  We unpacked it and I thought I had made a huge mistake.  2 different guests sleeping total of 5 nights on it so far and I am now a believer.  It fully expanded within 48 hours and has had rave reviews from our guests.

I’m a believer

I bought this a month ago and I'm so happy I did! I've tried all kinds of other mattresses but still neck and hip pain with every one. I was a bit skeptical about this one as well but once I read the other reviews I though I'd give it a try. It was very easy to order, shipped to me within a week, and has taken all my stiff neck and hip pain away after just a few weeks. I will say it advertises to keep you cool with a cool gel layer but that's the only thing that I've noticed to be untrue. But it's not like you burn up either...just like any other mattress with temp in my opinion. I highly recommend this mattress!

Best mattress I've ever slept on!

I tried mattresses in a mattress store and then saw this one online for a Black Friday deal. I figured for the price that I had nothing to lose and could return it if we didn’t like. Unpacked it and it blew up quickly after opening it. Waited 24 hours and it’s a great mattress. Not too firm, not too soft and my back pain has been less since I bought it. I have scoliosis and back always hurts so I need a good mattess. Bed is very cool at night unlike the 10 year old memory foam mattress that I replaced. I feel like for the $450 I paid it was a steal. This is a great mattress and every bit as good as a temperpedic or Serta that I looked at for $1800. Highly recommend.

So far so good

We love Sam's, purchased a cooling gel mattress set before, so we decided to purchase another one, but with headboard, and frame. Being the covid 19, Sam's had to ship to us, shipping was fast, kept us informed, arrived when they said. Vague instructions, but we had it together in a reasonable time, it was fascinating watching the mattress grow to normal size. Looks great, comfortable, also a cooling gel foam, my son loves it.

A great bedroom set, at a terrific price

I replaced my soft memory foam with this bed. I'm a side sleeper and was looking for something a bit firmer for back support. This bed was said to be a medium on firmness. I'm 240lbs and I would say it's firmer than I thought. It does sleep very well but I still get a bit of shoulder pain due to the side sleeping. I recommend and would buy this bed again.
Take care, hope this helps.
Shawn

Very nice bed at great price!

My husband wanted a plush mattress and I am a medium girl. My husband sleeps on all sides and I am a side sleeper. I often have shoulder pain and hip pain as a result, so I was looking for a mattress that would relieve the pressure but still be supportive. We were replacing a latex hybrid that we loved, but didn’t want to pay $2k for the new mattress. First we tried a Serta Hybrid and while it felt comfortable when you first lay on it, we both were waking with pain and discomfort even after giving it a few weeks to get used to it. Sam’s was great about letting us return it and so we decided to go with the Zinus green tea memory foam mattress. It is amazing!!! The first night we slept great and have ever since. It’s so comfortable we sometimes fall asleep mid sentence. Really, it’s that comfortable. We are both hot sleepers, but have not noticed any heat issued with this mattress after 4 weeks. I love it so much I want to replace all of the kids beds with one too.  The only reason I gave it a 4 instead of a 5 is because it only expanded to 11 inches and not the full 12 inches described.

Like sleeping on a cloud!

We Love this Mattress.  My Mom has the same one she told us about it and for the price it is worth every penny.  The only thing is I can't wait for the smell to go away.  We aired it out for the full 48 hrs. but once you sleep on it you can still smell it.  The comfort is worth it.

Love this Mattress

Just like previous ratings the mattress didn’t fully expand on 1 end.  Plus, it looked like it had speed bumps across it.  We turned it upside down for a couple of days and it helped but after a week it still hasn’t completely expanded on 1 end.  We haven’t slept on it but it’s comfortable to lay on.

Dips on 1 end

This mattress has no support and I am very disappointed with my purchase.  I bought 2 mattresses from this manufacturer previously and was extremely satisfied with them.  I wish I could return this one.

Zinus Night Therapy 12" Medium Gel-Infused Memory Foam Mattress

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Highlights

Serta 10" Medium Gel Memory Foam Mattress