Csikszentmihalyi had discovered that people are least likely to feel flow while at work.

Csikszentmihalyi

A psychologist best known for his theory of flow, a state in which people are so involved in an activity that nothing else seems to matter.

Flow

The feeling of oneness with an activity that allows an individual to uniquely experience an event or activity by becoming totally engaged in the process; term was coined by Mihaly Csikszentmihalyi.

Work

The effort applied towards completing tasks or producing goods and services, often for compensation.