> I also occasionally use LeechBlock, with a 60s delay.

Interesting. I've tried blocking things via hosts file to add that kind of friction, but it's too easy and often I'm waiting on something that takes longer than the time it takes me to 'fix' the hosts file.

> At work, I often log out of HN.

This works for me for posting but doesn't help so much with the FOMO of new threads. If I had to be logged in to view I imagine I'd read far fewer threads.