Buy Mattress Online: What to Look For and Top Brands to Consider

Online mattress shopping has been on the rise in recent years. According to a 2022 report, 43% of consumers chose to buy a mattress online, slightly more than the 42% who purchased in-store.

• Source: SleepDoctor

So why are more people switching to online mattress companies? The answer is simple: buying a mattress online gives you way more options. From firm styles to soft foam, spring hybrids to air beds, you can find top rated online mattresses that physical stores just don’t carry.

Some people might worry about not testing it in person. Don’t be. If you know your sleep preferences, like how firm you like your bed or what price you can afford, online mattress shopping can be just as successful as shopping in-store. With detailed product specs and real customer reviews, you can easily find the best mattress to buy online for your needs.

In this guide, we’ll walk you through what to look out for when buying a mattress online, and some of the best online mattress brands worth checking out. Whether you’re looking for an affordable mattress online or the best mattresses online for long-term comfort, we’ve got you covered.

What should you consider when buying mattresses online?

If you’re planning to buy a mattress online, doing some research and knowing a few smart tips can help you find the best mattress to buy online for your needs.

1. Measure the size

Whether you're shopping in-store or purchasing a mattress online, always start by measuring your bed frame and room space accurately. Mattresses are bulky items, and getting the wrong size means expensive return shipping and a big hassle.

2. Check the brand

There are tons of online mattress companies out there. Some are trustworthy, while others may not meet quality standards. Before you make the purchase decision, do a quick background check: look for official websites, trademark registration, business credentials, and customer reviews. The best online mattress brands are transparent and easy to verify.

3. Check the materials

Unlike in-store shopping, you can’t physically touch the mattress when shopping online. It's important to check the construction: What are the fabric layers, filling layers, and support core made of? These directly affect comfort, durability, and price.

4. Understand the return policy

Just in case the mattress doesn’t work out, ask in advance about return conditions, who covers shipping, and whether there’s a sleep trial. Knowing the policies helps you shop with confidence.

Where to purchase a mattress online?

If you're ready to buy a mattress online, there are two main ways: shopping through large online retailers like Amazon or Walmart, or ordering directly from online mattress companies like Marktol, Casper, Purple, or Nectar. Each option offers unique benefits depending on what kind of online mattress shopping experience you want.

1. Online Retailers

Retail giants like Amazon, Walmart, and Overstock are perfect for shoppers who want a one-stop experience,where you can browse a wide selection of mattresses across all price points.

Whether you’re looking for memory foam, spring, hybrid, or even air mattresses, you’ll find multiple brands and styles in one place. You can compare prices, read verified reviews, and also bundle your mattress with bed frames, pillows, and bedding.

Thanks to their massive logistics networks, shipping is fast, especially for Prime or Walmart+ members, who may get free delivery or even same-day service. These platforms also tend to have strict return policies and strong customer protection. Plus, big sales like Prime Day and Black Friday often come with great discounts.

2. Online Mattress Brands

Online mattress companies like Marktol, Sleep Number, Casper, Purple, and Nectar focus entirely on sleep. That means innovative features like cooling gel layers, pressure relief zones, and easy-to-ship boxed delivery. Their branding often appeals to younger shoppers or those who care about sustainable materials.

Customer service teams for online mattress companies are typically more professional about the products and can offer personalized advice. Many of these best online mattress brands also offer long risk-free sleep trials, ranging from 100 nights to a full year.

Since these brands sell directly to consumers, pricing is more transparent and competitive, with no middlemen.

5 of The Best Mattresses to Buy Online

MarkTol

Marktol is a premium dual-layer memory foam mattress designed for modern comfort and clean sleep. It features a Cooling Gel Memory Foam top layer for pressure relief and temperature regulation, paired with a high-density foam base for reliable support. Wrapped in a certified fiberglass-free fire barrier and a soft OEKO-TEX® certified knit cotton cover, this mattress hits the sweet spot with its medium firm feel, offering balanced support that suits most sleep styles. If you’re looking for affordable mattresses online, Marktol is a top choice.

Whether you're a back sleeper, side sleeper, or somewhere in between, Marktol delivers the comfort and support you need. All at a price that makes mattress online shopping finally feel good.

Price: $399 – $989 (Available in Twin, Full, Queen, King, and custom sizes)

Website: www.marktol.com

Features

Tempur-Pedic

Tempur-Pedic is the premium mattress line from Tempur Sealy International, featuring proprietary TEMPUR-Material™ — a space-age memory foam originally developed by NASA. Unlike ordinary memory foam, TEMPUR adapts precisely to your weight, shape, and temperature to deliver zero-pressure support and full-body alignment. With a focus on pain relief, pressure distribution, and partner disturbance isolation, Tempur-Pedic is trusted by those who prioritize recovery and sleep performance.

Price: $1399 – $9998 (Available different firmness and sizes)

Website: www.tempurpedic.com

Features

• TEMPUR-Material™ responds to your body’s temperature and pressure, offering unmatched pressure relief
• Medium-firm to plush options available: no manual adjustments needed, the mattress adapts naturally
• Targeted back and neck support helps promote spinal alignment, especially for people with chronic pain
• Cooling options in select models help offset the natural heat retention of memory foam
• Built to last with a 10-year limited warranty and durable foam core

Sleep Number

Sleep Number is a leading American smart mattress brand known for its adjustable sleep systems that combine air-supported comfort layers with advanced biometric tracking. Their flagship Sleep Number 360® Smart Bed series allows users to customize mattress firmness on each side, automatically adjusts support based on sleep posture, and offers smart sleep insights through the proprietary SleepIQ® app. Sleep Number brings a tech-driven, personalized sleep experience — ideal for couples, pain-sensitive individuals, and wellness-focused consumers shopping for a smarter mattress online.

Price: $800 – $10,000+ (Entry-level C Series starts around $800; premium models Climate360 can exceed $10,000) 

Website: www.sleepnumber.com

Features

• Personalized firmness with Sleep Number Settings: Adjust the firmness from 0 to 100 to fit your exact preference
• Dual-zone customization: Each side of the bed adjusts independently, perfect for couples with different sleep needs
• Responsive Air® technology: Automatically senses movement and adjusts support throughout the night
• Smart sleep tracking via SleepIQ®: Monitors your heart rate, breathing, and restfulness to deliver daily sleep scores and insights
• Snore detection and response: High-end models can detect snoring and gently elevate the sleeper’s head to improve airflow
• Climate-control options: Select models feature active cooling or warming zones, great for those who sleep hot or cold
• Compatible with adjustable bases: Ideal for people with limited mobility, back issues, or anyone who prefers zero-gravity or elevated sleep positions
• Data-driven wellness: Syncs with health apps and tracks long-term sleep patterns, creating a personalized sleep ecosystem

Casper 

Casper is a leading direct-to-consumer (DTC) mattress brand that redefined the category with its iconic bed-in-a-box concept. Designed for young, urban sleepers, Casper offers affordable yet high-quality foam and hybrid mattresses shipped in a compact box right to your door. With a focus on ergonomic support, breathable comfort, and seamless mattress online shopping, Casper makes it easy to upgrade your sleep without stepping into a store.

Price: $599 – $2,395+ (The One starts at $599; The Hybrid from $1,120; The Max and Snow Max Hybrid from $2,395+)

Website: www.casper.com

Features

• Convenient online ordering & delivery: Vacuum-packed and boxed for easy delivery. Just unbox and watch it expand
• Zoned Support™ design: Softer foam at the shoulders and firmer foam at the hips and lower back for proper spinal alignment
• Multiple foam layers: Designed for a balanced feel, ideal for back, side, and combo sleepers
• Cooling upgrades available: Snow and Max models include gel-infused foam and HeatDelete™ tech for a cooler night’s sleep
• Minimalist product lineup: Only 3–4 models available, reducing decision fatigue and making online mattress shopping easier
• Great fit for apartment dwellers: Slim packaging fits in elevators and stairwells, perfect for city living
• Eco-conscious touches: Includes recycled materials and mattress donation programs
• All-in-one bedroom solution: Mattresses, pillows, bed frames, and accessories, all to work together for better sleep

Purple

Purple is a popular American mattress brand known for its special GelFlex Grid (also called Hyper-Elastic Polymer™). This soft, stretchy grid moves with your body to give support where you need it and relieve pressure from areas like your shoulders and hips. It also lets air flow easily, so you don’t get too hot at night. Unlike regular foam or spring mattresses, Purple mattresses feel more responsive and breathable. They help keep your spine aligned and your body cool and comfortable. That’s why many people, especially tech lovers, athletes, and those who sleep hot, choose Purple when they buy a mattress online. 

Price: $1499 – $2,999

Website: purple.com

Features

• Hyper-Elastic Polymer™ Grid: Instantly adapts to your weight and sleeping position, relieving pressure on hips, shoulders, and joints
• Unmatched breathability: perfect for hot sleepers; Cooling Gel Grid™ (on advanced models) adds temperature-regulating gel for a cooler night's sleep
• FDA-grade materials: Made from food-contact-safe, non-toxic polymer — VOC-free and allergy-friendly
• Exceptional durability: Lab-tested to withstand up to 2,000 lbs/in² without breaking down like traditional foams
• Zoned pressure relief: Pressure Relief Pro™ targets common pain points to support back and side sleepers
• Highly portable and renter-friendly: Lightweight design makes it easy to move and set up

Buying a Mattress: Online vs In-Store

In the past 20 years,  the way people buy a new mattress has completely changed. Back then, in-store shopping was the only option. Today,  online mattress shopping has become a convenient and trusted choice. 

Benefits of Buying a Mattress Online

• You don’t have to deal with pushy salespeople or spend hours in showrooms.
• Online mattress shopping is fast, flexible, and easy. 
• You don’t have to leave the house. With just a phone, tablet, or laptop, you can browse dozens of online mattress companies and read real customer reviews for each.
• Online mattress companies also cut out the middleman. That means you often get better prices. 
• Many online mattress companies offer free shipping within the U.S. Many even offer risk-free trials with easy return policies, so if you don’t love your mattress, sending it back is hassle-free.

Drawbacks of Buying Online

• You don’t get to lie down on the mattress and test it in person.
• With no salesperson present, it might take longer to get answers to specific product questions.

Still, for many people, the convenience, value, and variety make buying a mattress online the smartest way to go.