How to Choose the Best Mattress? Sleep Profile Guide

Published by Mercado do Mattress on 24th Jul 2025

How to Choose the Best Mattress? Sleep Profile Guide

Wondering how to choose the best mattress to sleep on? This comprehensive guide will help you identify the ideal mattress according to your sleeping position, weight and comfort preferences. Find out which mattress is right for you - based on technology, firmness and ventilation.

Choosing the best mattress to sleep on is an essential step in guaranteeing a truly restful sleep. More than just comfort, it's about health, posture and physical and mental well-being. With so many options available on the market, knowing what to consider can make all the difference.

 

How to choose a mattress according to your sleeping position

Each person has specific physical characteristics and sleeping habits. The predominant position in which you sleep, your weight and any back or neck pain are determining factors when choosing a suitable mattress.

  • Sleep on your side: opt for a mattress with greater adaptability, which relieves pressure on your shoulders and hips.
  • Sleep on your back: choose a mattress with medium firmness, which helps keep your spine aligned.
  • Sleep on your stomach: prefer firmer mattresses that prevent your lower back from sinking.

 

Which size is best? Learn how to choose the best mattress by measurements

The size of the mattress should provide comfort and freedom of movement. Below are the average sizes to consider depending on the type of mattress:

mattress mattress

Width

Length

Single (suitable for one person)

Varies between 90 and 98 cm

190-200 cm

Body and a half (a little more spacious)

105 - 120 cm

190-200 cm

Couple (perfect for two people)

140 to 170 cm

190-200 cm

Queen Size (suitable for those who like more individual space)

150-160 cm

190-200 cm

King Size (perfect for those who want maximum freedom of movement while sleeping)

180 cm

190-200 cm

If possible, opt for the largest size that the bedroom space allows. Sleeping with enough space contributes to a more restful sleep.

 

Types of mattresses and which is best for you

Nowadays, mattresses differ not only in comfort, but also in the materials and technologies used. Find out about the most common types of mattress on the market so you can make an informed decision.

Foam mattresses

They provide comfort and support for the body as they adapt to it, always returning to their original shape.

Foam mattresses use a high-density foam block, providing durability at an affordable price. Today, many foam mattress models combine the foam block with different layers of viscoelastic materials, foams, fibers and natural products such as wool and cotton, in order to promote superior temperature regulation and air circulation.

The foam in mattresses is available in different densities. The most common options include:

  • Memory foam: molds to the body and reduces pressure points.
  • HR foam (high resilience): offers greater firmness and durability.

 

Box spring mattresses

Bagged spring mattresses use advanced technology based on the concept of the old biconical or bonnel springs, now improved and encased in individual bags. This innovation allows the springs to be knitted together, providing greater durability and comfort.

Each spring is individually wrapped in small bags made from the material known as TNT (Non Woven Fabric), which helps to isolate the movements of one spring from the others. These are especially recommended for children's rooms due to their strength.

Viscoelastic mattresses

Viscoelastic mattresses are a popular model due to their ability to adapt to the contours of the body without losing their shape, maintaining the firmness needed to rest comfortably.

This thermoregulatory material molds to the heat and weight of the individual, offering personalized support and relieving pressure on the joints and spine. They are especially recommended for those suffering from chronic pain or looking for superior comfort during sleep.

Viscoelastic reduces motion transfer, making it ideal for couples. However, they can retain some heat, so it's important to check whether the model has ventilation channels or integrated thermoregulating materials (e.g. Viscoelastic Gel) to increase coolness on warmer nights.

 

Latex mattresses

Made from natural or synthetic materials, they are resistant, breathable and hypoallergenic. They offer good adaptability with firm support.

In addition, they are composed of a natural or synthetic rubber core and are generally one of the most expensive options. Similar to pocket spring models, they are particularly suitable for people who move around a lot during sleep, as the latex effectively absorbs body movements.

This material is perforated to ensure good ventilation and regulate the firmness of the mattress. It is an excellent choice for those who suffer from respiratory allergies or asthma, although you should cover any mattress with a dust mite cover that is washable and easy to put on.

Due to their characteristics, latex mattresses are widely used in health-related areas because of their durability and comfort, despite their higher cost. Leafsleep offers these mattresses exclusively by pre-order.

 

How do you know the ideal firmness of a mattress?

The firmness of a mattress is a subjective perception, but the support should always be appropriate to your body structure. A mattress that keeps your spine aligned helps prevent muscle and joint pain.

  • People weighing less than 60 kg: medium to soft mattresses.
  • Between 60 and 90 kg: medium firm mattresses.
  • Over 90 kg: firmer mattresses with good support capacity.

 

Evaluate the thickness and number of layers

The thickness of a mattress is often related to its quality and comfort. Models with several layers of material offer greater stability, durability and support. Avoid mattresses with a height of less than 18 cm, especially for adults, which can compromise the alignment of the spine.

A good mattress is a long-term investment. Considering that we spend around a third of our lives sleeping, it's worth choosing a model that meets your real needs.

 

Consider ventilation and materials

The choice of materials has a direct impact on the temperature during sleep. Mattresses with good breathability prevent overheating and promote a cooler sleeping environment.

Choosing the right mattress is essential for improving the quality of your sleep and, consequently, your health and well-being. Analyze your profile, find out about materials and don't be afraid to invest in comfort. The combination of support, comfort and durability will make all the difference to your rest.

At Leafsleep, we develop mattresses based on innovation, comfort and natural materials. Explore our complete collection and find the best mattress for your body - and for your rest.