MindEd for Families also has information explaining some common behavioural problems in different age groups.
If you're worried or unsure, there is lots of support out there (see the support section on this page). If there has, is it caused by any specific events or changes in their life? Does it only happen at home, school or college, or when they're with others or alone? You know your child better than anyone, so if you're worried, first think if there has been a significant change in their behaviour. When to get professional help for a child or young person not wanting to do things they usually like.It might be difficult to know if there is something upsetting your child, but there are ways to spot when something's wrong. For some, these will resolve with time, while others will need professional support.
A large number of children and young people will experience behavioural or emotional problems at some stage.