In the 1970s, a psychologist studying creative professionals such as artists and musicians noticed a recurring pattern in how they described their most productive and satisfying work sessions: a state of complete absorption in an activity, characterised by intense focus, a distorted sense of time, and a temporary loss of self-conscious awareness. He termed this psychological state 'flow', and it has since become one of the most extensively studied concepts within positive psychology, a subfield concerned with human flourishing and optimal functioning rather than purely the treatment of mental illness. According to this research, flow states are most likely to occur when a task strikes a careful balance between the level of challenge it presents and an individual's existing skill level; a task perceived as too easy tends to produce boredom, while one perceived as too difficult tends to produce anxiety, with flow occurring specifically within a relatively narrow zone between these two extremes. Flow has been documented across an extraordinarily wide range of activities, from athletic performance and surgical procedures to video gaming and even certain forms of manual labour, suggesting the phenomenon is not confined exclusively to traditionally creative or artistic pursuits. Some researchers have proposed that regularly experiencing flow states may itself contribute meaningfully to long-term wellbeing and life satisfaction, prompting interest in how workplaces, educational institutions, and recreational activities might be intentionally structured to make flow experiences more consistently accessible.