Do you guys draw network diagram IRL?

Hey guys fresh meat here. I hope my question will be appropriate if not I'll head over to some other sub.

So my question is basically when you are working, for example troubleshooting a network, do you actually draw diagrams or something? Because I'm doing pretty well in PT labs for example where I can see the network components, the ports are written out, etc. but how does this work in real life? Do you sit down and map out then write down each ports on each device or after enough practice and experience it just clicks?