This well written article by the people behind ada - a health and wellbeing technology company - puts burnout in layman’s terms.
How do you know if you or someone else is experiencing burnout? What’s the difference between burnout and stress? What do the symptoms look like?
While it doesn’t refer specifically to the creative or media and marketing industries the information is general enough to feel highly relatable.
There are also links to further research if you want to take a deep-dive into academic and expert studies.
Note: This is an article by a commercial organisation, not a mental health charity or government body.