New ask Hacker News story: Ask HN: How long are you able to “hack” in a sitting

Ask HN: How long are you able to “hack” in a sitting
2 by hahnchen | 1 comments on Hacker News.
Straightforward question. How long until you’re either too tired or bogged down by a certain problem/task to the point where it’s more productive to take a break? I feel like I always hit this mark but don’t realize in the moment that I’m just wasting time sitting at the computer