[Digital well-being, a technological mental health issue: The smartphone role].

Objectives To introduce the concept of digital well-being and explore the place of digital tools in the service of this well-being. Methods The article is based on a description of the concept of digital well-being, the intervention models currently available and the possibilities for improvement of these models. Findings Over the past decade, smartphone use has become almost ubiquitous in modern society. The average person spends several hours a day on their device, especially among teenagers and young adults. With smart, interactive, convenient and always-on connectivity, individuals face new challenges and pressures related to when, where, how and how intensively they choose to connect or disconnect from the services provided by the smartphone. Problematic smartphone use has been linked to mental health disorders and functional problems. The concept of digital well-being has recently been introduced to address this challenge of using digital technologies to promote well-being. This is the subjective and individual experience of an optimal balance between the advantages and disadvantages associated with digital technology. Today's interventions are mostly based on technological tools focusing on screen-time control. The results of such interventions are mixed. Conclusion Better integration of dynamic human-machine interfaces may be essential for optimal efficiency of tools aiming to support digital wellbeing.