Hello everyone :) It's interesting, how in Soviet times and before the…

Hello everyone :) It's interesting, how in Soviet times and before the internet they used to throw children's dreams away? Did they consider it by the hour, by day shift, etc.? Did they understand that there was a lack of sleep or oversleeping?) Now it's very convenient with tables and norms, but back then everything was based on books. But most of all I'm interested in the throwing away of daytime dreams