The Nectar Memory Foam Mattress is our top pick for its balanced feel and long trial period. For a budget-friendly alternative, the Zinus Green Tea Memory Foam Mattress offers high quality at a low price.
Memory foam mattresses have become a popular choice for their pressure-relieving properties and motion isolation. For a full-size bed, memory foam is ideal for single sleepers or couples with limited space, as it contours to the body while minimizing disturbance from movement.
Our research team analyzed over 50 memory foam full mattress models based on specifications, third-party certifications (CertiPUR-US, OEKO-TEX), and aggregated owner reviews from major retailers. We ranked the top seven based on overall value, support, cooling, and durability, considering feedback from thousands of verified purchasers.

The Nectar Memory Foam Mattress features a quilted gel memory foam cover and two layers of foam for pressure relief. Its medium-firm feel appeals to most sleep positions. The mattress is CertiPUR-US and OEKO-TEX certified.
We do not take payment for placement and we do not physically test products. Rankings come from manufacturer specifications, material certifications (CertiPUR-US foam, OEKO-TEX textiles), and thousands of aggregated owner reviews analyzed for durability, heat retention and sagging.

Couples and those seeking a balanced memory foam feel with excellent motion isolation · Type: Memory Foam | Firmness: Medium-Firm | Trial: 365 Nights
The Nectar Memory Foam Mattress features a quilted gel memory foam cover and two layers of foam for pressure relief. Its medium-firm feel appeals to most sleep positions. The mattress is CertiPUR-US and OEKO-TEX certified.
What owners report: Owners frequently praise the mattress for its comfort and motion isolation, noting it helps reduce sleep disturbances. Many also appreciate the 365-night trial and lifetime warranty, though some mention it sleeps warm.

Hot sleepers who need a cooler memory foam experience · Type: Memory Foam | Firmness: Relaxed Firm or Firm | Trial: 365 Nights
The Saatva Loom & Leaf features a gel-infused foam layer and breathable organic cotton cover to regulate temperature. It offers two firmness options: Relaxed Firm and Firm. The mattress is certified by OEKO-TEX and made in the USA.
What owners report: Owners commend the cooling performance, with many reporting no overheating issues. The luxury feel and durable construction receive high marks, though some find it more expensive than competitors.
Side sleepers needing pressure relief on hips and shoulders · Type: Memory Foam | Firmness: Medium | Trial: 100 Nights
Tempur-Pedic's TEMPUR-Adapt uses proprietary TEMPUR material that contours closely to the body, providing deep pressure relief. It has a medium feel that suits side sleepers. The mattress is CertiPUR-US certified.
What owners report: Owners frequently report significant pressure relief and comfort for side sleeping positions. Many note the slow-moving foam minimizes motion transfer, but some find it difficult to move positions on the mattress.

Budget-conscious buyers seeking basic memory foam comfort · Type: Memory Foam | Firmness: Medium-Firm | Trial: 100 Nights
The Zinus Green Tea Memory Foam Mattress is a budget-friendly option infused with green tea extract and charcoal for odor control. It has a medium-firm feel and is CertiPUR-US certified. It comes compressed in a box for easy setup.
What owners report: Owners appreciate the low price and decent comfort, often noting it's a good value for guest rooms or children. Some report the mattress softens over time, and a few mention initial off-gassing.

Stomach and back sleepers needing firm support · Type: Memory Foam | Firmness: Firm | Trial: 100 Nights
The Amerisleep AS2 is a firm memory foam mattress with a Bio-Pur foam layer that offers responsive support. It has a zoned support design to prevent pressure buildup. The mattress is CertiPUR-US and OEKO-TEX certified.
What owners report: Owners often highlight the firm support and durability, with many reporting relief from back pain. The mattress maintains its shape well over time, though some side sleepers find it too firm.

Sleepers wanting a quality memory foam mattress with a lower price than premium brands · Type: Memory Foam | Firmness: Medium-Firm | Trial: 100 Nights
The Casper Element is a simpler, more affordable version of the original Casper, with a single layer of memory foam and a breathable cover. It offers a medium-firm feel. It is CertiPUR-US certified and comes with a 100-night trial.
What owners report: Owners like the value and consistent quality, noting it works well for back and stomach sleepers. Some side sleepers report it provides enough pressure relief, but a few find it firmer than expected.

Couples with different sleep preferences who want memory foam comfort with coil support · Type: Hybrid (Memory Foam + Coils) | Firmness: Medium-Firm | Trial: 100 Nights
The Helix Midnight Luxe combines memory foam layers with pocketed coils for a hybrid feel. It has a medium-firm profile and zoned lumbar support. The mattress is OEKO-TEX certified and includes a quilted pillow top.
What owners report: Owners praise the balanced feel and support, especially for combination sleepers and couples. Many note the cooling features work well, though the mattress is on the pricier side.
Consider your sleeping position, firmness preference, and budget. Side sleepers often benefit from softer memory foam for pressure relief, while back and stomach sleepers need firmer support. Look for CertiPUR-US or OEKO-TEX certifications to ensure quality and safety.
Some memory foam mattresses can retain heat, but newer models include cooling technologies like gel-infused foam, open-cell foam, or breathable covers. Look for mattresses labeled as 'cooling' or with materials that aid heat dissipation if you sleep warm.
A high-quality memory foam mattress typically lasts 7 to 10 years with proper care. Lower-density foams may sag or lose support sooner. Choosing a mattress with high-density foam and a strong warranty can extend its lifespan.
Memory foam mattresses are made entirely of foam, providing contouring and motion isolation. Hybrid mattresses combine foam layers with innerspring coils for more bounce, support, and airflow. Hybrids often offer better edge support and cooling but may be heavier and more expensive.
A full-size mattress measures 54 inches wide by 75 inches long, offering more space than a twin but less than a queen. It is ideal for a single adult or a growing child, but may be too narrow for couples.
The Nectar Memory Foam Mattress is our top pick overall for its balanced medium-firm feel and generous trial period. For hot sleepers, the Saatva Loom & Leaf excels in cooling. For budget buyers, the Zinus Green Tea provides solid comfort at a low price.