Nope. It's absolute true. There might have been days during harvest when men worked a six your day (they had a three hour lunch break), and maybe the next day they would have a holiday, but there were records kept in both France and the England.

I've written about it here.

https://medium.com/world-issues-politics-economics-and-more/before-the-industrial-revolution-mankind-worked-a-20-hour-week-cab974740649