Recent advances in EEG technology have addressed some crucial challenges, focusing on developing more advanced monitoring devices. However, finding a balance between comfort, aesthetics, recording efficiency and adaptability to different contexts, such as home and paediatric settings, remains an open challenge. It is known that children can be sensitive to uncomfortable or invasive devices; therefore, the article examines innovation scenarios in paediatric neurophysiology. The research at Meyer Children's Hospital in Florence proposes an entirely new vision of the EEG monitoring device to ensure a more user-friendly and familiar system for children. Thanks to the application of Human-Centred Design and User Experience methodologies, it was possible to analyse the current critical issues and define the requirements of Cosmos+. This new system was developed to improve the experience of young patients, reduce discomfort and promote personalised monitoring even at home, representing a new frontier in paediatric neurophysiology.