Can Two Adults Sleep On A Full Mattress?

When you and your partner are shopping for mattresses, there’s a lot to consider. Naturally, you want something with bed dimensions that fits in your space and with the bed frame of your dreams. This can make a full size memory foam mattress seem ideal.

But the most important question when picking a bed size is whether the two of you can get a good night’s sleep on your mattress of choice. In fact, you might be wondering can two adults sleep on a full mattress?

The good news? A full mattress (aka double bed) has been considered the gold standard bed size for couples, and can definitely sleep two.

However, some couples may find a larger queen or king size mattress is their perfect fit. In this short guide, we’ll cover your options.

Mattress History Laid Out

As we noted, there’s a long history of full size mattresses as the preferred choice for couples.

So what changed?

The options.

Up until the late 19th century, manufacturers made mattresses in a variety of shapes and sizes.1 However, this created understandable confusion when it came to fitting sheets and blankets. Starting in the 1870s, nationwide manufacturers began to standardize their mattress sizes.

The Original Mattress Size Options

During the late 19th century, two bed sizes were being manufactured: the 54” wide by 75” long full or double mattress size and the narrower 38” by 75” single mattresses (today’s twin). Also, there was a brief attempt to create an in-between “¾ mattress,” but manufacturers never succeeded in standardizing its bed size, and it failed to become a staple.

While single mattresses were meant to accommodate one person, the “full” or “double” mattress was marketed to accommodate two (hence the names).

Can Two Adults Sleep On A Full Mattress?

Modern Mattress Size Options

In the 1950s, the industry began to introduce larger king and queen bed sizes. These were 5” longer, making them more comfortable for people over six feet tall. Likewise, they provided more sleeping space for couples to sleep with their children or pets.

Thanks to expanding options for consumers, full size mattresses are no longer the default for couples (or even adults).

Which kind of mattress is most popular?

What’s the rest of the market made up of? Extra-large California king size beds, twin size mattresses, and longer twin XL beds. At Casper, we carry six mattress sizes in four different mattress types to provide every person with an option that’s best suited for them.

Despite shifting consumer trends, some people find that a double bed is a perfect size for two (or one). Next, we’ll look closer at who should consider a full size mattress.

Who Are Full Size Mattresses Best Suited For?

Is a full bed big enough for 2? It really depends on the two in question.

A full size bed can be ideal in situations like the following:

However, some people find that they require more space to achieve a good night’s sleep.

Shop Full Mattresses

When to Upgrade to a Larger Mattress Size

If any of the following sounds like you, consider a larger queen mattress:

The extra six inches in width from a queen size bed may not sound like much, but it can make a difference when your golden retriever is trying to squeeze between the two of you!

If you need even more space than provided by a queen bed to fit your family, opt for a king sized bed.

Find Your Perfect Fit With Casper

At Casper, we know that it can take trial and error to find the right mattress.

That’s why we provide six mattress sizes along with four different mattress types.

Need a hybrid twin XL mattress for the hot-sleeping teen in your family? We’ve got you covered! Want to try out an all-foam California king mattress with your partner? We stock that, too. But if you’re looking for a full size memory foam mattress, look no further. We have all you need for a comfortable mattress.

With our 100 night risk-free-trial*, we make sure you have the time you need to find the right-sized bed.

The Original

Award-winning balance of softness and support.

The Nova Hybrid

For those who want a plush top layer without sacrificing support and cooling.

The Wave Hybrid

Our most advanced mattress. The Wave Hybrid has hyper-targeted support combined with active springs, allowing better airflow.


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