Single vs. Twin Comparison: Which Is Best? Update 07/2024

The distinction between a single and a twin bed seems to be a common topic of conversation.

Let’s take a deeper look at the two most generally misunderstood types of mattresses and see if we can tell the difference between them.

How Big is a Single?

It measures 39 inches broad by 75 inches long. Its primary purpose is to suit a single person. Evidently this is the origin of the term “single bed.” These are great for kid’s bedroom because they’re both comfy and convenient, and they should last the youngster until he or she is in high school, when the 75-inch screen might not be enough. When it comes to decorating children’s bedroom, it’s one of the most popular solutions.

How Big is a Twin?

Single and twin dimensions are nearly identical. However, it’s meant to be one of two single beds, not a stand-alone. They are generally found in guest rooms where more than one person will be staying. Couples who want to sleep together but don’t want to share a bed frequently opt for these arrangements.

The Twin XL is the most common variant of the twin size bed, although there are plenty to choose from.

Who Should Own a Single?

It’s common for a kid’s room to have a single bed. They are also ideal for use in hotel rooms with a maximum capacity of three persons. Budget hotels and motels often provide these so-called “triple” rooms since they are less expensive while yet providing adequate space for a good night’s sleep.

Additionally, if your guest room is on the smaller side and you don’t have the space for a larger mattress, you should choose for a single mattress.

Who Should Own a Twin?

In the last section, we explained that twin beds are meant to be used in pairs. Typically, you’ll find them in a standard double room in a hotel. If you’re looking for something that can suit both singles and couples alike, this might be the best option for your hotel room.

A twin mattress, as we noted before, is ideal for places where siblings must sleep together, such as in a dorm room.

Twin Bed Sizes: Twin + Twin XL

When two beds are needed, a twin bed can be used as one of them. The phrase “twin bed” refers to the fact that the two beds are identical. Designed as two guest rooms, they may accommodate two persons either individually or jointly. If you and your partner prefer to sleep together, simply push the two beds together.

A Twin mattress is 38 inches wide and 75 inches long. For those who find 75 inches (6ft 3in) too short, most manufacturers provide an extra long (Twin XL) version at 80 inches (6ft 3in) (6ft 8in). Taller adults and teenagers will benefit from this. Learn more about twin and twin xl mattresses by reading this article.

Single vs. Twin Bed Bed Sizes

As the name suggests, a “Single bed” is just that: a bed designed to accommodate one person. It measures 38′′ x 75′′, which is the same size as a Twin. As a child’s bed, most parents prefer to utilize this through the post-cot stage up until high school. If a youngster does outgrow a Single bed, a Twin XL is an excellent choice. Choosing a single bed for a child’s room is the most popular option. Twin beds are the logical choice for a room with two children sharing a single bed.

Single Vs. Twin Mattress: What’s the Difference?

Why have both a Single and a Twin if they are the same size? Because of this, many retailers and manufacturers only offer the Twin size when it comes to purchasing a bed. A single Twin or two Twins can be used as a single bed. When staying at a hotel, it is common to see twin-sized beds in a room.

There is nothing fundamentally different between the two. Some people believe that the term “Twin” refers to a bed that can accommodate two persons, although this is not the case at all. Only one person can use it at a time. There is no difference between a Twin and a Single bed and mattress. A room with two nightstands between two twin beds is possible.

Single vs. Twin XL Bed Size

There is merit in comparing the Single to the Twin XL. When it comes to bedding, this is precisely the same as comparing Twin XL to Twin beds. The only difference here is the length. Choosing the Twin XL from the beginning ensures that your child won’t outgrow it, which is why many people do so. It’s best if the parents are tall to go with this option. It’s a safe bet that the children will grow into their teens and be too tall for a Single mattress size.

Make sure to keep in mind that 75 inches of mattress length isn’t the total sleeping distance. Most people don’t sleep all the way to the top of their pillows. Because of this, a 75-inch mattress is likely to lose at least 5 inches of sleeping length.

In other words, a conventional Twin or Single bed would likely have an effective length of 70 inches (5ft 10in). A 6-footer may have 2 inches of toes protruding off the bed! Many individuals prefer the Twin XL over the standard Twin or Single bed for this reason.

How To Choose Your Mattress Size

Whether you’re searching for a space-saving twin or more room to spread out, here are some things to keep in mind when deciding on a mattress size.

Factor #1: Your Height

For taller sleepers, a twin XL mattress may be preferable because it is 5 inches longer than a standard twin mattress. These are the most common mattress heights:

  • Twin mattress height: 6’3″ is a good height for those who sleep on their stomachs.
  • Twin XL mattress height: At 6’8″, I’m a good fit for the majority of people who want to sleep in their beds.

For taller people, a conventional twin mattress may not be long enough, even after accounting for their pillows’ extended length (a standard cushion measures 18 inches by 26 inches).

Factor #2: Cost

When it comes to affordability, twin and twin XL mattresses are a great option. While our most expensive mattresses start at $1,595 for a twin and $2,195 for a twin XL, our most affordable mattress is the Casper Element, which costs $395 for a twin.

Check out our most popular mattress, the Casper Original, which costs $695 for a twin and $795 for a twin XL at

Factor #3: Room Size

If you’re a one-person household, a twin bed may be the best option for you. If you have a 7-by-9-foot room, twin beds are usually the best choice. Choosing a twin bed if you already have other furniture like a dresser, desk or bedside table is a fantastic option.

You should also keep in mind that everything is relative. It is normal in large cities with small apartment sizes for people with limited bedrooms to opt for a larger full-size bed that touches three of the four walls. Do whatever makes you feel most comfortable, as long as your mattress fits inside your room’s dimensions!

Factor #4: Thickness

The thickness of most mattresses is between 9 and 12 inches. The ideal bed height for us is 11 inches since it provides the right amount of support without being too soft.

It’s vital to keep in mind that bigger doesn’t always mean better when it comes to mattress thickness. Mattresses might be difficult to buy sheets for if they are excessively thick or if they are topped with a mattress topper. As a result, Casper sheets have a depth of 18 inches, making them appropriate with most bed heights and mattress toppers.

Factor #5: Composition

An essential consideration in mattress shopping is what materials go into the construction of the mattress.

Do you prefer memory foam’s support or a hybrid’s responsiveness? A memory foam mattress is a good option for individuals who prefer a more luxurious feel, while a typical innerspring mattress is better suited for those who prefer a more responsive sensation.

There are many various types of mattresses out there, so we’ve put together a comprehensive guide to help you make an informed decision.

Factor #6: Compatibility

You’ll also want to consider the mattress’s accompanying accessories before making your selection. Is a bespoke headboard something you’d like to add to your bedroom? There’s a body pillow, isn’t there?

Queen and king-sized beds are popular bed sizes for headboards. Consider our bed frames if you like the headboard appearance but need a twin bed.

It’s not easy to find the right mattress for you (repeat that five times quick). You’ll need to take into account elements like the size of your room, your height, and your budget before making a purchase.

If you’d like to see other popular mattress sizes, click here. Our mattress size comparisons below might help you make an informed choice regarding the best bed size for you:

  • Twin vs. Full
  • Full vs. Queen
  • Queen vs. King
  • King vs. California King

Want a restful night’s rest? Four distinct mattress lines allow you to discover the ideal bed for your requirements. For those that fail, simply return the product within the first 100 days and try again for free.


The dimensions of a single bed and a twin bed are the same, yet their functions are vastly different. You’d have to take this into consideration while placing the call. Consider the preceding to make certain that everything is handled perfectly in this regard..

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