Ask HN: How many hours per day do founders code during YC?
Ideally vs actually?
On average vs most productive founders? You are not going to get any aggregate stats from YC by posting here. But anecdotally, from a few YC startups I've observed (I've only seen startups run by 20-something founders, so my perception is very very skewed) lived in the office (more accurately, the office was the founders' apartment/house), so there was no distinction between work/life, and the technical founders basically coded as much as possible.