However, the room in many cases could remain the bedroom of the child well into their teenage years, or until a younger sibling is born, and the parents decide to move the older child into another larger bedroom, if one should be available.
In many situations, this room can be used as a child's bedroom for an extended period, potentially through their teenage years or until a younger sibling requires more space. The family may then decide to move the older child to another larger bedroom if such a room exists.