There are rules that require companies of a certain size to offer employee cafeterias and reduced priced lunches. I was working in a building that housed a few mid-sized startups that all shared the cafeteria and cooking staff. So at noon, when lunch was served, everyone left their desks to go eat a proper meal together. Meetings were not allowed during that time, management also made sure to not be at their desks during that time. The mid-day break was universally respected. It was refreshing