It is also important to realise that different people have different capacities. What feels normal and healthy for one person might push another to their limit. This is normal because we are people, not robots.
We NEED to stop glamourising overworking. Please.
The absence of sleep, good diet, exercise, relaxation, and time with friends and family isn't something to be applauded.
Too many people wear their burnout as a badge of honour.
And it needs to change.