To perform optimally at work, people need rest periods, even if the work isn’t physically taxing, studies show. "Top performance requires full focus, and sustaining focused attention consumes energy -- more technically, your brain exhausts its fuel, glucose," writes Daniel Goleman, co-chair of the Consortium for Research on Emotional Intelligence in Organizations at Rutgers University.
Black Friday sales don't actually say anything about the state of the economy. In fact, there is a slightly negative correlation between the change in sales during Thanksgiving week and the change in sales from November to January.
More shoppers went to stores this year during the Thanksgiving weekend, but they spent less. Total U.S. retail sales reached an estimated $57.4 billion, down 2.9% from last year, according to a survey by the National Retail Federation. "The truth is, for far too many Americans, things aren't great," said Matthew Shay, the trade group's president and chief executive.