Is CIO a stressful job?

I've often heard that being a Chief Information Officer, or CIO, can be a highly stressful job. Is this true? What are some of the main stressors that CIOs face on a daily basis? And how do they manage to stay focused and productive amidst all the pressure? It's fascinating to me how professionals in this field are able to navigate such complex and demanding roles, and I'd love to learn more about the strategies they use to cope with the stress.