I feel like this is pretty widely accepted in the tech/hacker world, right? I've found it's generally the more business-y (creative, PM, etc) types that do the

I feel like this is pretty widely accepted in the tech/hacker world, right? I've found it's generally the more business-y (creative, PM, etc) types that do the weekend check-in/late night thing. Also - it seems to be magnified in the highly transient NYC/SF environments. Recently relocated young people without families just may not have that much to do outside of work.