Children's bed sizes by age and how to choose the best one

10 June 2026
MY BABY

Choosing a baby bed is not only related to shape or design, but depends mainly on the appropriate size that provides comfort and safety and is compatible with the room space and the child’s needs at each age stage.

Therefore, the dimensions of children's beds are among the most important factors to consider before purchasing, as they directly affect the quality of sleep, ease of use, and the continued benefit of the bed for a longer period as the child grows.

Why is choosing the right size for children's beds important?

Many parents may not notice the effect of bed dimensions at first, but the difference becomes clearly visible in the child's comfort level and sleep stability over time. The importance of this stems from the following:

Greater comfort during sleep

When the mattress fits the dimensions of the bed precisely, the child has a comfortable space to move around and change sleeping position without feeling cramped or unstable. Choosing the right size also reduces the side gaps that may affect the level of comfort, especially when using a crib with barriers.

Greater peace of mind for the family

By ensuring the correct size is chosen, the bed becomes more stable and comfortable for daily use, giving parents a greater sense of security, especially during the child's early years.

Supporting the body during growth stages

Children spend more hours sleeping than adults, so they need a surface that provides balanced body support. A bed and mattress that are the right size help distribute weight better and reduce unbalanced pressure on the back during growth.

Enhancing security factors

Having a mattress that is smaller or larger than the size of the bed may leave unwanted gaps or lead to it not being completely stable. For this reason, it is always advisable to match the dimensions accurately to maintain a safer sleeping environment for the child.

Therefore, the right size is just as important as the quality of the materials or the design of the bed itself, because comfort starts with all the elements working together.

What are the ideal dimensions for children's beds?

There is no one size that fits all children, so choosing sizes The appropriate children's bed is related to the age group and the space required for comfortable sleep, and the best of these sizes can be explained through the following:

Sizes suitable for infants and toddlers

Beds designed for the early years are made with dimensions that provide safety and ease of movement within a space suitable for the child's age, and some of the most common sizes are:

  • 60 x 120 cm: Suitable for children from birth up to about 3 years old, and is one of the common sizes in most infant beds.
  • 70 x 140 cm: Provides extra space for movement and can be used for a longer period as the child grows.

Sizes for older children

As we age, the need for more sleeping space becomes more important, especially during the years of rapid growth. Common sizes include:

  • 80 x 190 cm: A practical option for school-aged children and provides a good space for daily sleeping.
  • 90 x 190 cm: Suitable for older ages and can be used for many years without the need to replace the bed quickly.

Larger sizes for spacious areas

Some families prefer to go directly to larger sizes to reduce the need to change the bed in the future, and some of the most popular are:

  • 100 x 200 cm: Provides a comfortable space for sleeping and movement, and is sometimes used when designing a wooden crib intended for older children.

The appropriate size ultimately depends more on the child’s age and the expected length of use than on the external appearance of the bed alone.

What are the best baby beds from My Baby website?

My Baby offers a variety of options that combine safety, comfort and practical design to suit different age groups and room sizes.

It also includes many There are various types of children's beds in different sizes and designs that help parents easily choose the most suitable bed for their children's needs. Some of the most prominent types include:

Multi-spec wooden crib for children - white

This wooden bed was designed to be one of the best children's beds. It combines comfort, safety, and flexibility of use, making it a practical choice to accompany a child during their early years. Among its most prominent advantages are:

  • An openable side allows the bed to be placed next to the mother's bed, making it easier to monitor the baby at night and reach him quickly when needed.
  • Three levels of mattress height provide greater flexibility as the child's age and different stages of development change.
  • The ability to activate a gentle rocking mode to help soothe the baby and improve sleep quality during rest periods.
  • Practical wheels make it easy to move the bed between rooms effortlessly while maintaining its stability during use.
  • An attached mosquito net provides extra protection from insects and helps create a more comfortable sleeping environment.
  • A sturdy wooden frame with smooth edges contributes to enhanced safety during daily use.
  • A sleeping area measuring 120 x 60 cm is suitable for children from birth up to approximately 4 years old.

This bed offers a balanced combination of practicality and comfortable design, making it suitable for everyday use at home. Order it now

Versatile wooden crib – 3 mattress levels + rocking mode + under-cabinet storage

This versatile wooden crib offers practical solutions to suit a child's needs from the earliest days, with features designed to facilitate daily care and provide more space within the room. Among its most important features are:

  • A movable side allows the crib to be positioned alongside the mother's bed for easy access to the baby during nighttime hours.
  • The mattress height can be adjusted to three levels to accommodate different stages of growth.
  • The extension feature provides extra sleeping space as the child grows older without the need to replace the bed early.
  • An activating rocker setting helps to soothe the baby when needed and can be easily attached.

Furthermore, there are other advantages:

  • Built-in wheels make it easy to move the bed between rooms with comfortable movement and good stability during use.
  • A spacious lower storage unit allows diapers, clothes and everyday essentials to be kept close at hand.
  • An attached mosquito net provides extra protection and helps to create a more comfortable sleeping environment.
  • A sturdy wooden frame with smooth edges for increased safety during everyday use.
  • Basic size 120 x 60 cm with the possibility of expansion to continue its use until the age of approximately 6 years.

This model combines comfort and practicality in one design, making it a suitable option for families looking for a bed that will serve the child for a longer period without sacrificing safety and organization. Order it now

Wooden bed with wardrobe, wheels, rocker, and changing table

This wooden crib combines multiple functions in one design to give parents greater ease in caring for their baby from the first months. Among its most prominent advantages are:

  • An openable side allows the bed to be brought closer to the mother's bed to facilitate breastfeeding and monitoring the baby at night.
  • Three mattress levels help to choose the appropriate height according to the child's age and ability to move.
  • A practical side shelf that can be converted into a changing table to prepare the baby without the need for an additional piece of furniture.
  • The gentle rocking feature helps to soothe the baby and facilitates sleep when needed.

It also has many additional features:

  • Built-in wheels allow the bed to be moved between rooms easily with good stability during use.
  • A spacious lower cabinet is suitable for organizing diapers, blankets and everyday clothes in one place.
  • An attached mosquito net provides extra protection and helps to create a more comfortable sleeping environment.
  • A sturdy wooden frame designed to withstand daily use with smooth edges that enhance safety.
  • The 120 x 60 cm size provides a suitable sleeping space for children from birth up to approximately 4 years old.

This bed with a wardrobe and changing table is a practical option for families looking to make the most of the space while keeping the child comfortable and safe. Order it now

How to choose the ideal size for a baby crib

Choosing the right size for a child depends on a set of interrelated factors that directly affect comfort, sleep quality, and healthy development. Among the most prominent of these factors are:

Consider the child's age

A child's need for space changes as they get older, so it is not appropriate to rely on one size at all stages. In the early years, the focus is on small sizes that provide a sense of security.

As the child grows, he needs more space to move around without restrictions, and this is where the importance of choosing children's bed sizes that suit each stage becomes apparent.

room area

The size may seem appropriate on paper, but the reality inside the room is what determines the final choice. Narrow rooms need more practical solutions that balance play space with the presence of a bed, while spacious areas offer greater freedom to choose a larger and more comfortable design without putting pressure on the space.

Type of bed used

Not all types of beds are designed to fit the same dimensions. There are clear differences in structures and installation mechanisms, especially in compact or convertible models, such as beds that rely on flexible folding and storage systems, including a foldable crib that requires stricter adherence to the dimensions specified by the company compared to traditional beds to ensure stability and safety.

Expected usage period

Choosing the size should not be just a moment of purchase, but an investment that extends over several years. The clearer the plan is from the beginning regarding the duration of use, the easier it becomes to choose a size that keeps pace with the child’s growth without the need for frequent changes or additional cost.

Therefore, choosing the right size does not depend on just one factor, but is the result of a balance between age, space, and the nature of the bed itself.

What are the most important tips for maintaining a baby's bed?

Daily attention to the safety and maintenance of a baby's crib, through following some simple habits, can significantly extend its lifespan and ensure safe use. These tips include:

  • It is preferable to clean the bed using safe cleaning tools that do not damage the wood surface or paint, especially in models that require special care to maintain their quality.
  • Keep away from any straps or cords that may pose a danger to the child while sleeping.
  • If any breakage or looseness is noticed in any part, it should be dealt with quickly and repair should not be postponed so that the defect does not worsen and affect the stability of the bed during daily use.
  • It is advisable not to leave too many items inside the bed and to limit oneself to what is necessary in order to avoid clutter and reduce the likelihood of the child being exposed to any danger while sleeping or moving.
  • It is important to choose a mattress that fits the bed perfectly to provide healthy support for the child's body.
  • Avoid placing any small objects or toys that could be swallowed inside the bed.

Maintaining a baby's crib is not a single step, but rather a set of simple practices that are repeated daily and ensure a safer and more comfortable sleeping environment.

What safety factors should be considered when choosing a crib?

The most important thing when choosing a crib is understanding the basic safety elements that ensure a safe sleep and a risk-free environment. Among the most important of these factors are:

Distances between bed bars

The spacing of the bars is one of the most important safety elements, as it must be appropriate to prevent the child's head from slipping or his limbs from getting caught between them.

Any large gaps can pose a real danger, especially with young children, so it is always advisable to choose designs that adhere to safety standards, even in some economical products, especially when choosing a cheap crib.

The mattress remains stable within the frame.

The mattress must be tightly fitted inside the bed without any side gaps, because even small gaps may lead to the child slipping or an unstable sleeping position.

Mattress firmness and sleep equipment

The ideal mattress for babies is of medium firmness, neither excessively soft nor uncomfortably hard, avoiding heavy pillows or large blankets in the first few months. The goal here is to reduce the risk of suffocation and ensure healthy support for the body during sleep.

Height adjustable

It is best to choose a bed that allows the base level to be changed, so that it is gradually lowered as the child grows and becomes more active. This feature helps to reduce the risk of falling when starting to stand or climb inside the bed.

Manufacturing quality and safety standards

It is always preferable to check for quality or conformity certificates, as this reflects that the bed has undergone actual safety tests. Some 120 cm children's bed size options may come in various designs, but quality is the deciding factor, not size alone.

The bed is free of any additional risks.

The sleeping area must be completely free of any wires, straps, or large toys that could obstruct breathing or cause suffocation. Simplicity here is not a luxury but a basic necessity for the child's safety.

Choosing a safe bed depends on a set of small details that combine to provide a stable and reassuring sleeping environment.

With a practical design and good manufacturing quality, the bed becomes a safe space that supports the child's comfort and healthy, balanced growth.

What is the importance of bed design in a child's psychological comfort?

The attention given to the design of a baby's bed extends to its psychological impact and daily behavior, as simple details can make a clear difference in the quality of their sleep and their sense of comfort. The importance of this can be explained as follows:

The effect of colors on a child's calmness

Colors play a direct role in calming a child's nervous system before bedtime. Shades such as light blue and beige give a feeling of relaxation and reduce hyperactivity.

On the contrary, loud colors can increase distraction and make falling asleep more difficult, so it is preferable to choose a color palette that is harmonious with the room to promote a sense of stability.

Bed design and support for independence

When the bed is designed at a suitable height and is easy to use, it helps the child to gradually become self-reliant. This point is especially important in transitional stages, as the child feels that he is in control of his small environment, which is reflected in his overall self-confidence.

Personalization within bed design

Adding simple elements that reflect the child’s interests, such as shapes or decorations that he likes, makes the bed a more acceptable place for him. This type of detail reduces resistance to sleep and transforms the bed from just a piece of furniture into a space where he feels a sense of belonging, provided that all additions are safe and free of any small, removable parts.

The quality of materials and its psychological impact

Natural wood and safe materials not only provide higher durability, but also create a feeling of warmth and reassurance during sleep. Some inferior materials may emit unpleasant smells or sounds, which may affect the quality of a child's sleep without the parents noticing.

Ambient lighting and its effect on sleep

Soft lighting built in or near the bed helps reduce nighttime anxiety in children, especially in the early years. A warm, low-intensity light creates a comfortable environment and facilitates a gradual transition to deep sleep without stress.

In general, the design of the bed is not just an aesthetic element but an essential part of building a healthy and balanced sleep experience for the child, and every small detail inside it may directly affect his psychological comfort.

Frequently Asked Questions

When should a baby's bed be changed to a larger size?

It is generally recommended to change the bed when the child starts trying to climb or reaches a height that touches the edges of the bed, or at the age of 2.5 to 4 years depending on growth, taking into account that the bed provides a safe space for movement without restrictions or risks of falling.


Can the same bed size be used from birth until school age?

Yes, in some cases this is possible if the bed is of the extendable type or is large in size such as 70×140 or 100×200 cm, but it is often preferable to gradually increase the sizes to ensure greater comfort and better support for the child’s growth.

What is the difference between a regular crib and a convertible crib?

A regular bed is a fixed size and is used for a specific age group, while a convertible bed can be adjusted or extended as the child grows, making it an economical and practical option for a longer period without the need to change the entire bed.