The 5 Best Full Size Mattresses of 2024

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Best overall

Avocado Green Mattress

The Avocado Green wins our award for the best full size mattress overall, and it’s sure to delight eco-conscious shoppers. The organic mattress features a medium-firm feel and boasts an organic cotton and wool cover for exceptional breathability. Designed to provide optimal pressure relief, the comfort layer of the Avocado Green features a two-inch layer of Dunlop latex, making it an ideal choice for individuals grappling with back pain.

Its support core is constructed with individually-wrapped recycled steel coils, strategically divided into five zones. The coils beneath the hips and lower back offer enhanced strength, while the ones in the head and foot areas provide lighter support, catering to different needs. While the Avocado Green falls on the higher end of the price spectrum due to its organic materials, the investment is well worth it for those seeking a non-toxic mattress. It also comes with a generous one-year sleep trial and a 25-year warranty, ensuring peace of mind and long-term satisfaction.

Pros

• Made to be comfortable and supportive for many sleeper types
• Certified organic materials
• Zoned support coils
• 365-night sleep trial
• 25-year warranty
• Also available in a vegan version with no wool

Cons

• Only one firmness option

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Best budget

Bear Original Mattress

When searching for the best full size mattress, the Bear Original Mattress stands out with its unbeatable combination of features and budget-friendly price. This affordable mattress offers a medium-firm feel, achieved through its three layers of foam. The upper memory foam layer provides a comforting and contouring sensation, enveloping the sleeper in a gentle hug-like embrace. Using open-cell foams ensures excellent breathability, reducing the likelihood of feeling overheated during the night.

Thanks to its memory foam composition, this best value full size mattress excels in motion isolation, making it an excellent choice for couples or those who share a bed with pets or children. Additionally, the Bear Original comes with a 120-night home trial, allowing ample time to test it out firsthand. To top it off, it’s backed by a lifetime warranty, so you know it’ll last. For more, read our Bear Mattress review.

Pros

• Best affordable full size mattress with high-quality features
• Excels in motion isolation
• Cooling technology
• Lifetime warranty

Cons

• May be too firm for people who like a soft bed

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Best for side sleepers

Nolah Signature Mattress

In search of the best full size mattress for side sleepers? Look no further than the Nolah Signature 12-inch bed, which offers exceptional pressure relief for the shoulders and hips. With a plush level of firmness, it provides a “sleeping in” rather than “on” experience. The Nolah Signature features an organic cotton cover, creating a soft and breathable surface that enhances comfort.

Beneath the cover, two contouring layers of Nolah AirFoam deliver remarkable cushioning and cooling properties. The base layer is composed of a breathable and durable high-density foam, making it a reliable foundation. Add one of these best pillows for side sleepers and you’ll be sleeping soundly in no time.

Pros

• Deep pressure relief for side sleepers
• Made with Nolah’s cooling AirFoam
• Provides a soft, hug-like feel
• Lifetime warranty
• 120-night sleep trial

Cons

• $99 return fee

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Best for kids

Helix Kids Mattress

The Helix Kids Mattress is a unique and flippable hybrid mattress that provides a firm feel on one side and a soft, cushioned feel on the other. It’s a prime choice for growing kids whose mattress preferences are likely to evolve over time. The firmer side of the Helix Kids Mattress incorporates high-density polyfoam to deliver optimal ergonomic support, while the softer side features plush memory foam for a comfortable, more cushioned feel. The mattress cover is made from breathable Tencel fabric and treated to be water-resistant and antimicrobial.

Both sides share a six-inch layer support core consisting of individually wrapped coils. Although marketed for kids, the flippable design also makes the Helix one of the best full size mattresses for adults who are uncertain about their preferred firmness. It can also be a practical option for a guest room mattress, providing two firmness options to cater to overnight guests’ differemt needs.

Pros

• Flippable mattress with two firmness levels appeals to growing kids
• Antimicrobial and water-repellent cover
• Cooling features
• Made with hypoallergenic and non-toxic materials
• 10-year warranty
• 100-night sleep trial

Cons

• Not the best for motion isolation

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Best cooling

DreamCloud Premier Rest Mattress

If you struggle with overheating, it’s essential to find the best full size mattress that prioritizes coolness. The luxurious DreamCloud Premier Rest incorporates advanced cooling technology across multiple layers to ensure optimal temperature regulation and a refreshing night’s sleep. Its pillow top layer is enveloped in a quilted cashmere cover, followed by pressure-relieving memory foam. Three additional layers of foam provide ergonomic support and enhanced comfort.

What sets the DreamCloud Premier Rest apart is its supportive core, which consists of individually wrapped coils. These coils not only align your spine properly, but also promote superior airflow and breathability compared to many all-foam models. This natural airflow regulation helps dissipate excess heat and keeps you comfortably cool throughout the night for a sweat-free slumber.

Pros

• Cooling hybrid design ideal for hot sleepers
• Luxury six-layer construction with a pillow top cover
• Conveniently ships in a box
• One-year sleep trial
• Lifetime warranty

Cons

• Lacks edge support

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What to consider when buying a full size mattress

Before buying a mattress, it’s important to take a few factors into consideration. Start by determining your preferred sleeping style—whether that’s on your stomach, back, side or a combination. Assess if you experience overheating at night. If you share the bed with a partner, consider if either of you is easily disturbed by the other’s movements.

These factors will help you narrow down the optimal firmness level and identify desirable features such as cooling materials and motion isolation. It’s also crucial to look at warranty information, sleep trials and of course, price. On a budget? Check out these mattress deals for big savings on the best full size mattress.

Types of full mattresses

When searching for the best full size mattress, there are options to suit every sleep preference and budget. Choose from memory foam beds, non-toxic mattresses, organic options as well as convenient bed-in-a-box models. If you’re short on space or need something that’s simple to store, the best full size air mattress will easily deflate and neatly stash away until its next use.

How we found the best full size mattresses

As shopping experts, our only job is to help you find a winning product. We start with the research and reporting basics—what products are made of, what they look like and how much they cost—to ensure that we’re only recommending the buys that are worth your time and money. Then, we research the features that speak to the product’s quality, taking advice from industry insiders and subject-matter experts on what makes a product a smart value (or worthy of a splurge). Finally, we do the work of combing through user reviews to see how real people interact with the product, and if it stands up to the test.

FAQ

Is a double mattress the same as a full?

Yes, a full and double mattress both have the same dimensions. In the past, mattress manufacturers labeled beds as “single” or “double,” which corresponded with the number of people who could sleep on each bed. Most brands no longer use these labels and now offer a larger variety of sizes.

What are the dimensions of a full size mattress?

A full size mattress is 75 inches long and 54 inches wide. This is the same length as a twin mattress, but adds over a foot to the width. Full size mattresses are available in various thicknesses, usually ranging from 8 to 14 inches.

Can two adults sleep on a full mattress?

The best full size mattress can accommodate two adults comfortably, provided they don’t require much space to spread out. Couples who enjoy close cuddling often find a full mattress to be sufficient. However, if you and your partner prefer ample space or share a bed with pets, a full mattress may feel too small for your needs. Check out these best queen size beds instead.

Who is a full size mattress best for?

A full size mattress is ideal for single adults or couples who like to sleep close together. These beds tend to be more budget-friendly, so they are also popular for teenagers or children in a shared room.  It’s also a space-efficient choice for small bedrooms and popular options for guest rooms.