https://www.sciencedaily.com/releases/2016/06/160614133619.htm
You of course have no clue all these things are researched or that decisions have a cause and effect...positive or negative. "Evening games show greatest disadvantage for teams traveling westward" Coaching preparation isn't limited to a 90 minute practice plan. The line for winning and losing is absolutely only separated by a whole bunch of tiny points of emphasis and decisions. If you ignore too many, you'll lose, focus on the wrong ones, you'll lose. Laugh at em, don't respect the other guy and you're almost guaranteed to be embarrassed.
The results of this study highlight the importance of the direction of the circadian disadvantage on the probability of success.
"These results highlight the importance of circadian rhythms in sport performance.
They also raise concerns about well-established practices such as early training sessions and late-night athletic competitions and the possible negative effects on performance and health," said co-author, Geneviève Forest, PhD, Université du Québec en Outaouais (UQO). "These results show that the effect of the circadian disadvantage transcends the type of sport being played and needs to be addressed for greater equity among the western and eastern teams in professional sports."
I can add first hand coaching experience, fighting to change the culture of a million reasons some schools always win and some schools always lose.