A man and woman are peacefully sleeping in a normal sized bed, with a teddy bear and a baby nestled between them

When buying a bed, one size does not fit all. Before buying the perfect fit for your sleep space, You must know the dimensions and sizes of the bed. As this can be overwhelming with so many options, it is crucial to understand these dimensions to make an informed decision. This guide will walk you through the most common bed sizes, the dimensions, and the factors to consider when choosing the comfortable and peaceful fit for a comfortable and relaxed sleep.

Twin and Twin XL Size Beds

The twin-size beds are the first upgrade from a crib. Twin beds are 38 inches wide and 75 inches long. The twin XL (Extra Long) is 39 inches wide and 80 inches long for the taller person - although it might need to be longer for most adults to ensure a comfortable sleep. The twin bed is ideal for single sleepers, children, a bunk bed, a daybed, or that additional sleeping space that is not used often in a study or guest room, as it is a narrow bed and can easily fit into a smaller room. The twin bed is a favorite for younger children's rooms, and the twin XL accommodate teenagers who need extra legroom. The twin XL is often found in college dormitories. The bed allows a sleeping space of 39 inches for an individual. The advantage of having a twin bed is that the sheets are the least costly of all bed sizes and available in different patterns and colors, making it easier to replace for those unexpected "accidents" of little ones.

a man and woman unpacking a bed in a bedroom

Full/Double Size Beds

The dimensions of a full bed are 15 inches wider than a twin making it 54 inches wide and 75 inches long. It gives more sleeping room without taking up more floor space. The full bed, also known as the double bed previously, was popular until the 1960s when bigger sizes were introduced. On a full bed, for a couple, it would give 27 inches of personal space each, much less than a twin. Parents nowadays prefer to buy a full bed for teenagers shorter than 5 feet 5 inches. Many adults find the full bed too narrow for a couple and, for taller people, too short. This bed size is a good choice for a smaller room, and the linen is less expensive. However, with many households having different and bigger beds, the linen can be shared.

Queen size bed in a bedroom, accompanied by indoor plant and wall pictures

Queen-Size Beds

The queen-size beds, at 60 inches wide and 80 inches long, offer much more space than the double and the twin beds. The extra length and width can accommodate two people with 30 inches of personal space per person. Many individuals who move around a lot, or have a small pet sleeping with them, prefer queen-size beds. The queen-size beds are better than the full bed for sleeping with a partner as it has a little more personal space, but it is a good choice for couples who like to snuggle. Most Americans prefer the queen-size mattress above any other size. It is large enough to share and small enough to fit into most bedrooms. Because it is the most popular sized bed, it will be easy to find linen. It is, however, necessary to check your dimensions, as some linen is sold as full/queen but doesn't fit either. Standard queen-size bedding will fit the standard queen-size beds.

King-Size Beds

The standard king-size bed is also called the Eastern King and is 76 inches wide and 80 inches long, making it 16 inches wider than the queen-size bed. This is the widest bed available and will be the most comfortable for two adults. Each person will have 38 inches of personal sleeping space. It is the same as sleeping in a twin bed for each person. Two twin XL beds pushed together will be about the same size as the eastern king-size. The king-size bed is ideal for people who need space, those with toddlers walking over at night, or a pet in the bed. This bed will fit better in the bigger room. As there is another King-size - the California King size (discussed below), make sure to buy the suitable size linen. The flat sheet will fit both king-size beds, but the fitted sheets are cut separately for each king-size bed. Linen marked "king-size" will fit the standard king-size bed.

California King Beds

The California King, also called the Western King, is 4 inches longer than the standard Eastern King size. Still, it is four inches narrower, making the dimensions of the California King 72 inches wide and 84 inches long. It is the best choice for tall people. As mentioned before, check the correct measurements when buying linen. Another thing to consider when purchasing any of the two king-size beds is to move it around and into the house and room. The large mattresses can be challenging to manoeuvre up staircases, narrow hallways or into a small bedroom.

A bed is your most important purchase to support your life. If you do not choose correctly, you will not get a good night's peaceful sleep and won't be able to function optimally.

A man is kneeling beside a mattress in a store, reaching out to feel its texture and comfort

Consider the following when choosing a mattress:

The number of sleepers: Consider who will use the bed most often. Will it include two adults, children, and pets? Keep in mind the size of the people and think about the sleepers' comfort and personal space.

Sleepers' positions: most people move around at night even though they might fall asleep on their backs but will wake up on their sides. Take into account the room they will need to move around.

Room space: Measure the area in the room before buying, and remember to add space for the base and headboard. The bed should fit comfortably with enough space to move around.

Choosing the right bed size is essential for comfort and a good night's sleep. By understanding the various options available, considering the size of your room, and the specific needs of the sleepers in the bed, you can make an informed decision that ensures a rejuvenating sleep experience in the correct size bed. For expert help and craftsmanship in Italian comfort, Dorelan offers you the ultimate sleeping comfort. Contact us today to help you select the perfect bed for your rejuvenating sleep.


The average person spends 33 years of their life sleeping. Sleeping well makes us feel better, more alert, energetic, and better able to concentrate and perform. Getting quality sleep is one of the most important things you can do for your health and wellbeing. Read our magazine for the ultimate guide to a good night’s rest!