In every mediation, one of the first questions asked by participants is “where is the coffee?”  Indeed, coffee has long been a staple of all mediations.  Now new research regarding our mandatory morning ritual demonstrates that coffee may have a positive effect on the negotiation process and in convincing the other side to your view.may also have

Researchers in Australia ran an experiment in which participants were presented with two opposing sides of several arguments. One group was given a dose of caffeine between hearing the second of the two messages, while a control group only took a placebo. Interestingly, the experimental group was more easily swayed, on average, by the second set of arguments.

So maybe there is a causal connection between that 3 p.m. starbucks run, and getting the case settled at 4:00 p.m.

Research Source:  Lifehacker.com and Effects of caffeine on persuasion and attitude change: The role of secondary tasks in manipulating systematic message processing