Are you expecting another baby and wondering how your older child will cope with the change? Or has the new sibling already arrived and now you are dealing with greater sensitivity, jealousy, anger, tearfulness, regression, a stronger need for attention, or the feeling that everything at home suddenly works differently than before? The arrival of a sibling is a major change for the whole family, and for an older child it can bring a mix of joy, uncertainty, curiosity, and worry. It is very common for older children to experience jealousy, irritability, or changes in behaviour after a new baby is born.

What a Child Often Experiences When a Sibling Arrives

For an older child, a new sibling is not just “another family member.” It is also a change in their place within the family, their daily rhythm, the amount of attention they receive from parents, and sometimes even their sense of security. A child may feel happy, but at the same time may worry about losing something — closeness, a special place, time with parents, or the familiar world they have known so far. That is why strong emotions may appear, and while these may look like defiance or difficult behaviour on the outside, they are often more a reaction to a major change than simple misbehaviour.

It helps to take these feelings seriously rather than viewing them only as disobedience.

Typical reactions may include:

·         jealousy toward the baby,

·         a greater need for attention,

·         anger, defiance, or tearfulness,

·         regression in behaviour,

·         greater sensitivity and clinginess toward a parent,

·         mixed feelings of love and rejection toward the sibling.

What Difficulties Can Look Like in Practice

Some children react outwardly in a strong and dramatic way, while others withdraw more quietly. An older child may begin acting out more, sleeping worse, wanting to be carried again, speaking “like a baby,” becoming more easily upset, or demanding a parent more strongly at exactly the moment when the newborn needs care. In younger children, a major life change can also bring a temporary return to earlier developmental stages, for example with toileting or independence.

This kind of temporary regression after the arrival of a sibling is not unusual and is often linked to the stress of change.

Jealousy Does Not Mean the Child or Parent Has Failed

Jealousy after the arrival of a sibling is common and does not in itself mean that something is wrong with the child or the family. More often, it shows that the child needs to feel secure again and to know they still have their own safe place within the family.

It often helps when the older child is actively included in ways that do not make them feel pushed aside, and when parents consciously create special one-to-one time with them. After a sibling is born, children of all ages benefit from warmth, closeness, and positive attention, because those are the things that help them feel secure again.

What Helps Before the Birth

Before the baby arrives, it often helps to talk with the child in ways that fit their age about what will happen, what will change after the baby is born, and what will stay the same. It can be good to involve the child, but without pressure. What matters most is that they continue to feel like an important part of the family, not like a “big sibling” who is being pushed to the side.

It also helps to give the child space for questions, emotions, and natural involvement in preparations around the baby.

What Helps After the Baby Arrives

After the baby is born, one of the most important things is not to expect the older child to handle everything automatically in a “mature” way. In this situation, children often need more reassurance, physical closeness, and positive attention than before.

Helpful things include:

·         setting aside regular time only for the older child,

·         naming their feelings without mocking or dismissing them,

·         not burdening them with the role of “you have to be the big one now,”

·         finding small ways to involve them without pressure,

·         appreciating effort and kind behaviour,

·         keeping daily routines as predictable as possible.

It is especially important not to turn the older child into a little adult. Being “older” does not mean they can carry the change without support.

When Sibling Tension Shows Up Later

Tension does not always appear immediately after the birth. Sometimes it becomes more visible later, when the baby becomes more active, grabs toys, follows the older child around, or draws more attention from the extended family. Sibling rivalry and conflict are normal to some extent, but parents can influence a lot by avoiding unnecessary comparisons, not always looking for a single “culprit,” and supporting fair and consistent rules.

It also helps not to create competition between children for attention, and instead teach them how to handle conflict safely and fairly.

When It Makes Sense to Seek Help

Some jealousy, tearfulness, or regression after the arrival of a sibling are normal. But it is worth paying closer attention when the difficulties last a long time, become much stronger, or start to disrupt everyday life for the child and the family. This may include situations where the child becomes persistently very anxious, clearly aggressive toward themselves or others, fully withdrawn, strongly rejecting contact with the baby, or where the home atmosphere remains tense in a way the parents can no longer manage on their own.

If emotional or behavioural changes are more intense and long-lasting, it is appropriate to consult a paediatrician or child psychologist.

How Psychological Support Can Help

Psychological support can help not only the child, but also the parents. Sometimes the goal is not to “fix jealousy,” but to better understand what the child is expressing through their behaviour, how to respond more calmly, and how to restore a sense of security at home.

Support may be useful, for example, with:

·         strong sibling rivalry,

·         long-term tension at home,

·         regression,

·         aggression,

·         high sensitivity,

·         or when parents feel exhausted and unsure of what to do next.

You Are Not Alone in This

The arrival of a sibling is a beautiful but also demanding change for a family. It is not unusual for an older child to react more strongly than parents expected. It does not mean you are doing something wrong. Often, it simply means your child needs more reassurance, time, understanding, and calm guidance in order to find their secure place in the new family situation.