What does burnout actually look like for a founder running their business alone?

I keep hearing founders say they are fine, right up until the week they are not. What was the earliest, smallest sign for you, the one that seemed too small to mention at the time, before burnout had a name?

FounderFlow is your AI Executive Chief of Staff. It watches your business, identifies what matters, protects your revenue, and tells you exactly what to do next.

If checking everything yourself at odd hours sounds like your actual week, tell me what that has looked like for you. We are onboarding the first 30 founding members personally right now.