When Is It Safe to Move a Baby From Bassinet to Cot

Parents often ask when the right time is to move a baby from a bassinet to a cot. This question usually arises during the early months, when sleep patterns begin to change and babies become more active. While many guides mention a general age range, the safest answer is based on development rather than age alone.

Most babies transition from a bassinet to a cot between three and six months. Some move earlier, while others stay in a bassinet a little longer. The correct timing depends on movement, growth, and safety indicators rather than a specific week or month.

Understanding these factors helps parents make a confident decision that supports safe sleep and long-term comfort.

Key takeaways

• Most babies move from a bassinet to a cot between three and six months.
• Development signs matter more than age.
• Rolling and increased movement are key indicators.
• Cots provide more space and structural stability.
• Moving too late often carries more risk than moving early.
• A calm transition supports better sleep for both baby and parents.

Understanding the purpose of a bassinet

A bassinet is designed for short-term use with newborns. It offers a compact sleeping space that allows parents to keep their baby close during the early weeks.

Bassinets are helpful because they:

• fit easily beside the bed
• allow frequent night feeds
• support early bonding
• take up limited space

However, bassinets are not intended for extended use. Their size, wall height, and frame structure are suitable only while a baby remains relatively still during sleep.

As physical development begins, the limitations of a bassinet become more noticeable.

Typical age range for moving from bassinet to cot

Most babies transition between three and six months. This range reflects common developmental milestones rather than a strict rule.

Some babies reach movement stages earlier, grow in length faster than expected, or reach bassinet weight limits quickly.

Because every baby develops at a different pace, age alone should not guide the decision.

A baby who shows early movement may need to move sooner, even if they are younger than three months. Another baby may remain suitable for a bassinet slightly longer if they remain still and within the manufacturer’s limits.

The key factor is always safety.

Why babies outgrow bassinets

Bassinets are intentionally small. This design supports newborn comfort but becomes restrictive as babies grow.

Several changes usually occur during the first months:

Babies begin to stretch during sleep.

They turn their head more frequently.

They move their arms and legs with more strength.

They start rolling or attempting to roll.

These movements increase the need for space and stability.

Once a baby begins to move freely, a bassinet may no longer provide enough clearance or support. A cot offers a wider sleeping surface and stronger construction that accommodates these changes.

Development signs that indicate readiness for a cot

Rolling or attempting to roll

Rolling is one of the clearest signals, and even early attempts count.

Once a baby can roll, bassinet side height may no longer provide adequate protection. Cots are designed with deeper sides to support this stage safely.

Reaching bassinet weight limits

Most bassinets include a maximum weight limit, often between about 6.8 and 9 kilograms, depending on the model.

Once this limit is reached, the structure may no longer function as intended. Continuing use beyond this point increases safety risk.

Increased restlessness during sleep

Some babies begin waking more often as they grow, which parents sometimes mistake for sleep regression.

In many cases, limited space contributes to disrupted sleep. When babies cannot adjust their position comfortably, they wake more frequently.

A cot allows natural movement without disturbance.

Pushing up or turning sideways

Early pushing movements and sideways shifting indicate growing strength and mobility. These actions place additional stress on bassinet frames and signal that a more stable sleep surface is needed.

Safety reasons to move earlier rather than later

Parents sometimes worry about moving too early. In reality, delaying after clear safety signs is more common and often riskier.

Bassinets are not designed for:

• rolling
• pushing
• pulling
• repeated side pressure

Cots are built to support these changes safely.

They provide:

• firmer mattresses
• stronger frames
• deeper sleeping surfaces
• better airflow

When safety signs appear, delaying the transition can increase risk rather than reduce it.

Can a baby sleep in a cot from birth?

Yes.

Cots that meet Australian safety standards are safe for newborns, and many families choose to use a cot from the first night.

The key requirements are simple:

• firm mattress
• snug fit with no gaps
• empty sleep space
• correct assembly

When these conditions are met, a cot provides a safe sleep environment at any age.

Bassinet versus cot for sleep quality

Sleep quality often changes after the transition.

Some babies sleep longer in a cot because they have room to stretch without waking, and the firmer surface supports stable positioning.

Parents often report:

• fewer startle awakenings
• longer sleep cycles
• calmer settling

This does not happen for every baby, but it is common once space limitations are removed.

Room sharing after moving to a cot

Moving to a cot does not mean moving to a separate room.

Many parents continue room sharing for the first six to twelve months, placing a cot in the parents’ bedroom if space allows.

This approach supports:

• easier night feeds
• parental reassurance
• consistent routines

The main difference is the sleep surface, not the location.

How to prepare the cot for the transition

Preparation helps the change feel calm rather than abrupt.

Ensure the cot is assembled correctly, check the mattress fit carefully, keep bedding minimal, and avoid introducing new sleep items at the same time.

The sleep environment should feel familiar, even though the bed has changed.

How to make the transition smoother

Keep routines consistent

Babies rely on routine. Bath time, feeding order, lighting, and settling methods should remain unchanged.

Consistency signals safety.

Begin with daytime naps if needed

Some families start with one or two naps in the cot so the baby can adjust gently without pressure.

Maintain temperature and lighting

Sudden environmental changes can disrupt sleep. Keep room temperature and lighting similar to the bassinet environment.

Allow time for adjustment

Some babies settle immediately, while others take several days. This variation is normal and does not indicate a problem.

Common concerns parents experience

Fear of too much space

Some parents worry that a cot feels too large. Babies adapt quickly, and a clear, open space is safer than adding extra padding.

Worry about early independence

Moving to a cot does not reduce bonding. Comfort and closeness come from routine and care, not the sleep surface.

Short-term sleep disruption

Temporary changes may occur during the transition, but these usually settle as the baby adjusts.

If you are setting up the room at the same time, see our nursery planning guide focused on arranging spaces around baby cots.

Common mistakes to avoid

• waiting past clear safety signs
• exceeding bassinet weight limits
• adding extra bedding for comfort
• changing the room and the bed at the same time
• assuming resistance means the cot is unsafe

Simplicity supports safety.

When to seek professional guidance

If your baby experiences prolonged sleep disruption, unusual discomfort, or developmental concerns, speak with a qualified health professional.

Guidance helps confirm whether timing or environment adjustments are needed.

This support is not a sign of failure. It is part of responsible caregiving.

Frequently asked questions

At what age do most babies move from a bassinet to a cot?

Most babies transition between three and six months.

Is it unsafe to use a bassinet after rolling begins?

Yes. Rolling is a clear safety indicator to move to a cot.

Can a cot be used in the parents’ bedroom?

Yes. Many families continue to share a room with a cot for at least the first six months.

Does moving early affect sleep development?

No. Safe sleep environments support healthy sleep at any age.

Should naps and night sleep change together?

Some families transition gradually, while others change naps and nights at the same time. Both approaches are acceptable.

How long does adjustment usually take?

Most babies adapt within several days, though some take a little longer.

Conclusion

The right time to move a baby from a bassinet to a cot depends on development rather than age alone. While most transitions occur between three and six months, movement and safety signs provide the clearest guidance.

Rolling, increased mobility, and reaching weight limits signal that a cot is the safer option. When prepared thoughtfully, the transition often improves comfort and supports longer sleep.

A cot provides space, stability, and long-term support as your baby continues to grow. Shopica offers carefully designed cot options that support safety and comfort through each stage. Check out our products.

Disclaimer

All information is based on research and general guidance. It does not replace personalised medical advice. If you have questions about your baby’s sleep or development, please speak with a qualified health professional.