Isn't that doubly important to bring up with them then? If you hide that this is important to you, you shouldn't be surprised when your expectations don't align. Interviews are critical for checking those expectations on both sides.

A manager who isn't candid about hours is dumb because it will naturally result in a poor fit for both sides and higher turnover. If a company has a decent pool of applicants, it makes no sense for the manager to not screen for people who have a clear understanding of the demands up front.