Sealy Dreamlife 12" Medium Hybrid Mattress
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Highlights
- Available in Twin, Twin XL, Full, Queen, and King sizes
- 10-year limited warranty for peace of mind
- Convenient small parcel delivery
- Medium gel memory foam for comfort
- Suitable for all sleep positions
Serta 12" Medium Hybrid Mattress $412.00

Serta 12" Medium Hybrid Mattress


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About this item
Product details
Experience Superior Comfort with Sealy Dreamlife 12” Hybrid Mattress
Perfect for the dynamic college student or budding professional, the Sealy Dreamlife 12” Hybrid Mattress offers optimal comfort and support for a refreshing sleep. Produced by Sealy, a trusted name in quality sleep products for over 140 years, you can rely on its exceptional quality.
Adaptive Comfort with Gel Memory Foam
The advanced gel memory foam adapts and responds to every part of your body. It provides pressure relief and a personalized sleep experience that's perfect for busy millennials and Gen Zers who need a restorative night's sleep to face their fast-paced schedules and relentless pursuits.
Enhanced Comfort with Transition Foam
The Transition Foam enhances the overall comfort of the mattress while adding long-lasting durability. This feature ensures that even after years of use, the mattress will still offer the same level of comfort - a smart investment for young adults starting their journey in the real world.
Targeted Support with Encased Coils
The encased coils move independently to provide targeted support across the mattress. The advanced edge coils increase airflow, support, and durability - the perfect combination for those long study nights or after-work relaxation.
Promote a Healthier Sleep Environment with Dreamlife
Dreamlife is committed to promoting a healthier sleep environment. The mattress foam is certified, ensuring it meets strict standards for content, emissions, and durability. Moreover, the surface-guard technology kills bacteria on the mattress surface, protecting it from common allergens. This feature is particularly beneficial for the younger generation living in shared spaces like dorms or apartments.
Trust in Quality and Warranty
Designed and built in the USA, this mattress comes with a 10-year limited warranty. Rest easy with the Sealy Dreamlife mattress – comfort you can count on.
Frequently Asked Questions
What bases are compatible with this mattress? Does it need a foundation?
Our mattresses is safe to use on a platform bed, foundation or adjustable base. We recommend if placing it on a slatted surface, ensure that the slats are no more than 3” apart so the mattress does not sag.
Can I flip my mattress?
Our mattresses are not designed to be flipped and should not be flipped. You may choose to rotate your mattress if you’d like, though it is not necessary.
How long is the mattress and foundation warranty?
10-year limited warranty. For more details, please refer to the warranty card here.
Should I use a mattress protector with my mattress?
We do recommend using a mattress protector to protect against spills.
Specifications
Twin: 39" x 75", 12" height, 51.17 lbs
Twin XL: 39" x 80", 12" height, 54.19 lbs
Full: 54" x 75", 12" height, 69.67 lbs
Queen: 60" x 80", 12" height, 80.6 lbs
King: 76" x 80", 12" height, 101.03 lbs
Warnings and disclaimers
Disclaimer
Urethane foam will burn if exposed to an open flame or other sufficient heat source. Do not expose urethane foam to open flames or any other direct or indirect high temperature ignition sources such as burning operations, burning cigarettes, space heaters or naked lights. Once ignited, urethane foam will burn rapidly; releasing great heat and consuming oxygen at a high rate. In an enclosed space the resulting deficiency of oxygen will present a danger of suffocation to the occupants. Hazardous gases released by the burning foam can be incapacitating or fatal to human beings if inhaled in sufficient quantities. Once ignited, urethane foam is difficult to extinguish. Foam fires that appear to be extinguished may smolder and reignite. Always have fire officials determine whether a fire has been fully extinguished.
Member ratings & reviews
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Showing 1-3 of 38 reviews
Absolute BEST
We replaced every mattress in our house with this within 6 months of getting the first one. We LOVE this mattress.
A game changer for sleep quality
[This review was collected as part of a promotion.] I recently had the pleasure of testing the Sealy Dreamlife 12 Hybrid Mattress-in-a-Box in Queen size and I’m genuinely impressed with the experience. As someone who values a good night’s sleep I was eager to see if this mattress could live up to its promises of comfort support and overall sleep quality. Here’s my detailed review after using the mattress for a few weeks.First Impressions -The mattress arrived promptly neatly packaged in a sturdy box. I was pleasantly surprised at how easy it was to unbox and set up. Despite its size it was straightforward to move it to my bedroom and unpack it. Within a few hours it expanded to its full 12-inch height and I could tell right away that the quality was top-notch.Comfort and Support -From the first night I noticed a significant difference in my sleep quality. The advanced SealyComfort gel memory foam lived up to its name providing a cozy yet supportive feel. It adapts beautifully to the contours of my body offering pressure relief where I need it most. I often suffer from lower back pain and this mattress has been a game-changer in alleviating that discomfort. I felt cradled yet supported which is a tricky balance to achieve but Sealy nailed it with this hybrid design.SealySupport Transition Foam - One of the standout features for me is the SealySupport Transition Foam. This layer enhances the overall comfort of the mattress and adds a layer of durability. I could feel the difference in how the mattress maintained its shape and support throughout the night. There’s no sinking feeling and I didn’t have to struggle to get out of bed in the morning. It provides a perfect middle ground between softness and firmness.Temperature Regulation - As a naturally hot sleeper I appreciated the temperature regulation offered by the gel memory foam. It kept me cool and comfortable throughout the night preventing the usual overheating I experience with other mattresses. The mattress stays cool to the touch which is a significant plus during the warmer months.Edge Support - The edge support on the Sealy Dreamlife 12 Hybrid Mattress is impressive. I often find myself sitting on the edge of the bed and this mattress doesn’t sag or lose shape. It provides consistent support across the entire surface which is something I value highly in a mattress.Motion Isolation - Sharing the bed with a partner means that motion isolation is crucial. This mattress excelled in minimizing disturbances. My partner’s movements didn’t wake me up and vice versa. This feature alone makes it worth considering for couples.Durability and Longevity - While I’ve only had the mattress for a few weeks I can already tell that it’s built to last. The materials and construction feel durable and high-quality. The combination of SealyComfort gel memory foam and SealySupport Transition Foam seems like it will hold up well over time maintaining its comfort and support.Final Thoughts - Overall the Sealy Dreamlife 12 Hybrid Mattress-in-a-Box is a fantastic investment for anyone looking to improve their sleep quality. It offers a perfect blend of comfort support and durability. Whether you’re dealing with back pain overheating or simply looking for a better night’s sleep this mattress addresses all those concerns effectively. The convenience of delivery and easy setup is just the cherry on top. I wake up feeling refreshed and ready to take on the day and I can’t recommend this mattress enough. It’s a game-changer for sleep quality and overall well-being.
Such a comfortable mattress!
[This review was collected as part of a promotion.] Such a comfortable mattress! My daughter had a great first night sleep. It came packaged in such a manageable box and was easy to get up the stairs. It didn’t have that bad smell that many new mattresses do either.
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