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Queen size mattress: comfort and ideal measurements for the bedroom

The queen size marital mattress is an investment in comfort, well-being, and quality of life – however, some factors must be considered!

By Milena Garcia

Submitted at May 31, 2025, 8:30 AM

10 min de leitura
João Panaggio's Project.

João Panaggio's Project. (Foto: Denilson Machado, do MCA Estúdio / Produção visual: Aldi Flosi)

More than an essential piece for rest, the mattress also directly impacts the organization and visual aspect of the bedroom. Among the most sought-after models, the queen size mattress stands out for providing more space than the traditional double mattress, without requiring the space that the king size model needs.
MAJ Architecture - Park Cabin. CASACOR São Paulo 2025 Project.

MAJ Arquitetura - Cabana do Parque. No estúdio de 50 m² idealizado por Marília Junqueira, living, cozinha e suíte armam um recanto de introspecção em meio à natureza. O acolhimento chega com elementos como o forro com aplicação de tecido e o pórtico enquadrando as janelas, além do tablado revestido de mármore com bordas irregulares, que eleva a banheira freestanding e encaixa a cama. Livros, plantas e um baú antigo acendem memórias e afetos, em um mix de peças contemporâneas e rústicas. Na curadoria da Galeria Eduardo Fernandes, parte das obras de arte emprega materiais reciclados. (Denilson Machado, do MCA Estúdio/CASACOR)

Before choosing, it is important to understand how the size, the type of structure, and the arrangement of the furniture influence the functionality of the projects. This guide presents everything you need to know to find the ideal queen mattress — and fitting it harmoniously into the decoration of the bedroom.

Features of the queen size mattress


The queen size mattress is an intermediate version between the traditional standard double mattress and the king size model. Its broader dimensions ensure more space for sleeping, even in smaller bedrooms. The standard measurements for queen mattresses in Brazil are:
  • Width: 158 cm
  • Length: 198 cm
  • Height: varies between 20 and 40 cm, depending on the brand and type of mattress
Woodworking optimizes space in a duplex of only 59 m². Project by Mariana Leal. In the photo, a bedroom with a mirror, a double bed, and a home office.

Projeto de Mariana Leal. (Julia Tótoli/Divulgação)

This difference of approximately 18 cm more in width and 8 cm more in length compared to a standard double mattress may seem small at first glance, but it represents a significant improvement in comfort — especially when two people share the bed!

What is the ideal bedroom space for a queen mattress?


Before investing in a queen size mattress, it is essential to check if the bedroom can comfortably accommodate its dimensions. Interior design experts recommend that there be at least 60 cm free on each side of the bed and at the foot to ensure good circulation in the projects.
Paulo Andrade creates a refuge amidst the projects of Camaçari. In the photo, a room with a wooden wall and a view of the garden.

Projeto de Paulo Andrade. (Tarso Figueira/CASACOR)

Thus, the minimum ideal space to comfortably accommodate a queen bed with nightstands and wardrobe would be around 3 meters by 3.20 meters. Of course, this is a reference that may vary according to the arrangement of the furniture and the planned resources of the projects.
Beige, black, and white star in the minimalist décor of this mineiro apartment. Project by AW Arquitetura. In the photo, a bedroom with neutral colors, an upholstered headboard, and a low bed.

Projeto de AW Arquitetura. (Estúdio NY18/CASACOR)

If the room is very compact, the mattress can compromise circulation, make it difficult to open doors or drawers, and even create a feeling of cramped space. In this case, it is worth considering alternatives such as storage beds to save space or rethinking the furniture layout.

Factors that influence mattress comfort


Besides size, the comfort of the queen size mattress depends on factors such as the type of foam or springs, firmness, and even the fabric of the surface. Understanding these characteristics is essential to choose a model that meets your needs.
2 in 1: two apartments combined create a 240 m² project in Botafogo. Project by Fernanda Medeiros. In the photo, a bedroom with a built-in bed in the joinery and a green wall.

Projeto de Fernanda Medeiros. (Luiza Schreier/CASACOR)

Type of material


  • Foam: ideal for those looking for a lighter mattress at a lower cost. Foam models vary in density — the heavier the person, the higher the density should be.
  • Encased springs: offer greater body adaptation and independence of movements, being recommended for couples with weight differences or those who move a lot at night.
  • Hybrid: combine foam and springs, providing a balance between support and comfort.
Autumn is the ideal time to leave bedding and blankets washed and fragrant in anticipation of winter

Firmness


The ideal firmness of a mattress is a very personal choice. Firmer models offer more support to the spine, while softer ones may be more comfortable in the short term. The ideal is to test the mattress before buying or, if the purchase is online, choose brands that offer a guaranteed trial period and exchange. Bedding from the Italian brand

Ventilation and technology


Some mattresses have extra technologies, such as memory foam (viscoelastic), layers with cooling gel, or hypoallergenic fabrics. These resources are welcome for those living in very hot regions, suffering from respiratory allergies, or looking to elevate their level of comfort.
Luciana Câmara and Adriana Melo - Ventre Space. Project of CASACOR Brasília 2023.

Luciana Câmara e Adriana Melo - Espaço Ventre. Projeto da CASACOR Brasília 2023. (Edgard Cesar/CASACOR)

How to integrate the queen mattress into the bedroom decoration


A queen size mattress requires attention to the choice of bed, bedding, and layout of the projects. To maintain visual harmony:
  • Opt for a headboard proportional to the size of the mattress. Preferably, choose a model that goes to the floor or occupies the full width of the wall to create a sense of unity.
  • Use bedding appropriate for the queen size to avoid excess fabric or tension in the material, ensuring comfort and aesthetics.
  • Invest in narrow nightstands if space is limited. Floating models or those with light legs help keep the space visually airy.
  • Mirrors, side lighting, and light tones on the walls also help visually expand the space, in case the bedroom isn't very spacious.
David Bastos signs a 2,885 sq ft apartment with sober and elegant décor. In the photo, a couple's bedroom with a bed with a gray headboard and paintings.

(Tuca Reinés/CASACOR)

CASACOR Publisher is an exclusive content creator agent, developed by the CASACOR Technology team based on the knowledge base of casacor.com.br. This text was edited by Yeska Coelho.