If you’re sleeping on a saggy old mattress or just looking to upgrade your sleeping situation, a full size memory foam mattress might be exactly what you need. These memory foam beds offer excellent pressure relief, motion isolation, and contouring—all packaged in a full size footprint that fits most bedrooms. In this guide, we’ll walk through the benefits of memory foam and full size mattresses, how to find the right comfort level, and spotlight top models—including Tempur‑Pedic’s medium, firm, and soft options. Whether you already know you want a full size mattress or need help picking between firmness levels, you’ll find guidance and insight here.
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Shop Memory Foam MattressesFull-Size Memory Foam Mattress Benefits
Choosing a memory foam full size mattress gives you the best of both worlds: enough surface area to stretch out without taking up as much floor space as a queen or king, and all the perks of memory foam.
The major benefits include:
✅Pressure Relief: Memory foam cradles pressure points—hips, shoulders, and back—reducing aches and improving spinal alignment.
✅Motion Isolation: Full size memory foam mattresses absorb movement, making them perfect if your partner tosses and turns.
✅Space Efficiency: A full size bed mattress fits in tighter bedrooms or guest rooms while still giving adult-sized comfort.
✅All‑around Support: Whether you're a side sleeper, back sleeper, or combo sleeper, memory foam adapts to your body shape and sleeping style.
✅Durability: High-density foam can last 8–10 years or more with proper care.
The benefits extend to different types of sleepers, too. Side sleepers often love memory foam’s contouring. Back sleepers benefit from firm but forgiving support. If you share a bed, full size mattresses still do a solid job isolating motion—even though they’re narrower than queen-size models.
→ Learn more: Aitoro Appliance Opens Mattress Gallery at Former Mattress Firm Norwalk CT Location
How to Find the Right Full-Size Mattress Comfort
So, you know you want a full size memory foam mattress—now how do you choose between medium, firm, or soft? Here’s what to consider:
- Sleep Position: Side sleepers often prefer softer or medium‑soft (3–5 on the firmness scale) to cushion shoulders and hips. Back and stomach sleepers may need medium or firm (5–7) for proper spine alignment.
- Body Weight: Lightweight sleepers (<130 lbs) sink more into plush surfaces; they may prefer medium to firm. Sleepers >230 lbs may need firmer memory foam to avoid bottoming out.
- Motion Sensitivity: Memory foam is ideal for limiting disturbance from movement—especially relevant in smaller full size mattresses.
- Temperature Regulation: Traditional foam sleeps warm. Higher-end memory foam models like Tempur‑Pedic offer cooling layers or breathable covers.
- Edge Support: Pure foam models may compress at the edges. For stronger edge support, a hybrid option helps.
You can often try variants like medium, firm, or soft from the same series—which is great if you want to mix and match firmness on a limited full sized mattress budget.
4 Best Full Size Memory Foam Mattresses
Below are top-tier full size memory foam mattress options from Tempur‑Pedic—featuring models across comfort levels for every sleeper type.
Tempur-Pedic® TEMPUR-Adapt® 11" TEMPUR-Material™ Medium Full Mattress
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The TEMPUR‑Adapt 11" Medium is Tempur‑Pedic’s most balanced option—designed for those who want a mattress that’s not too soft and not too firm. Built with a premium TEMPUR‑ES® comfort layer and a firmer support core underneath, this mattress provides excellent pressure relief without making you feel like you’re sinking.
At 11 inches thick, it delivers the ideal depth for support and cushioning—great for side and back sleepers who want gentle contouring but still need spinal alignment. It also performs extremely well at isolating motion, which is a big win if you share your full size mattress with a restless partner or a pet. It’s especially popular with those who flip between sleep positions at night, thanks to its adaptive feel and balanced firmness. If you’re shopping for a dependable, breathable, and widely versatile full size memory foam mattress, this Adapt model is a strong all-around performer.
Tempur-Pedic® TEMPUR-ProAdapt® 12" TEMPUR-Material™ Medium Full Mattress
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A step up from the Adapt series, the TEMPUR‑ProAdapt 12" Medium model is packed with next‑level materials that offer deeper body conformance, better cooling, and longer-lasting comfort. Designed with a TEMPUR‑APR® comfort layer, the brand’s most advanced pressure-relieving foam, it adapts more precisely to your body shape throughout the night.
This mattress is 12 inches thick, giving it a more luxurious, cushioned feel than thinner models. It lands in the medium firmness category, making it ideal for couples with different sleep styles, as well as for back and side sleepers who want both support and softness. If you experience aches or stiffness, this bed helps reduce pressure points in the hips and shoulders without compromising alignment. Plus, it includes a smart climate dual cover system that keeps the sleeping surface cool to the touch. For anyone seeking a memory foam full size mattress that combines softness, support, and smart temperature control, this ProAdapt Medium is one of the top-tier picks.
Tempur-Pedic® TEMPUR-ProAdapt® 12" TEMPUR-Material™ Firm Full Mattress
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If you're looking for a mattress with a truly firm feel, the TEMPUR‑ProAdapt 12" Firm model delivers rock‑solid support without sacrificing comfort. It's specifically designed for back and stomach sleepers who need extra structure to maintain spinal alignment and reduce lower back strain. The TEMPUR‑APR® layer still provides some contouring, but with far less give—perfect for those who don’t like the “sinking in” sensation of traditional soft memory foam.
The firm comfort level helps reduce tossing and turning by keeping your body in a more neutral position, which is especially helpful for those with chronic back pain. Its 12-inch depth also ensures long-term durability and performance, even under heavier body weights. Like its medium counterpart, this mattress includes the dual cover system for a cooler sleep experience. This is the ideal full size bed mattress for sleepers who demand unwavering support and need a mattress that won’t soften over time.
Tempur-Pedic® TEMPUR-ProAdapt® 12" TEMPUR-Material™ Soft Full Mattress
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The TEMPUR‑ProAdapt 12" Soft model is designed for those who crave a plush, cloud‑like sleep surface. This mattress delivers maximum pressure relief through its softer TEMPUR‑ES® and TEMPUR‑APR® layers, which conform deeply to your body’s curves and minimize pressure on shoulders, hips, and joints. It's an especially great match for side sleepers, lighter body types, or anyone who wants that luxurious “hugged” feeling when they lie down.
The softness doesn’t mean it lacks structure—underneath the cushy comfort is a dense support core that keeps your body aligned and stable throughout the night. It’s also a standout choice for stress relief after long workdays or athletic activity, offering deep sink-in comfort that eases muscle tension. And despite its softness, it still offers excellent motion isolation, which makes it a good pick for those sharing a full sized mattress. If you're drawn to softness above all else, this is hands down one of the best memory foam mattress choices Tempur‑Pedic offers in a full size.
→ Learn more: Tempur-Pedic Mattress Reviews: Pros, Cons, and Real User Experiences
How to Choose a Full Size Memory Foam Mattress
When shopping for a full-size memory foam mattress, the key is finding the right balance between comfort, support, and long-term durability. Start with firmness—memory foam comes in a range from soft to extra firm, and your ideal choice often depends on your sleep position. Side sleepers usually benefit from softer foams that contour to shoulders and hips, while back and stomach sleepers may prefer medium to firm options that keep the spine aligned.
Density is another factor to weigh. Higher-density foams offer better durability and motion isolation, making them ideal if you share the bed, while lower-density foams feel softer and are often more budget-friendly. Cooling technology can also be worth considering, since traditional memory foam is known for trapping heat. Look for models with gel infusions, open-cell structures, or breathable covers if you tend to sleep hot.
Finally, think about your budget and warranty. A full-size mattress is a great option for single adults, guest rooms, or smaller bedrooms, offering ample space without overwhelming the room. Many retailers also offer trial periods, so you can test the mattress at home. By prioritizing your sleep style, comfort needs, and budget, you’ll be better equipped to choose the right memory foam mattress for restful nights.
Memory Foam Mattress FAQs
High-quality memory foam mattresses—especially from Tempur-Pedic—typically last 8 to 10 years, sometimes up to 12. Durability depends on foam density and use. Many warranties cover at least 10 years.
Yes—memory foam mattresses are praised for pressure relief, motion isolation, and body-conforming comfort. They’re especially helpful for side sleepers and couples—but they may sleep warm and restrict movement for combination sleepers.
A full size (also known as double) mattress measures approximately 53 inches wide by 74 inches long. This size is ideal for singles, guest rooms, or tighter spaces where a queen won’t fit.
Come visit us at Aitoro; we have tons of mattresses for you to choose from. Our selection includes a large variety of full sized mattresses along with many memory foam models.
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