The Hidden Effects of Jet Lag on Baseball Players – Wall Street Journal

When Los Angeles Dodgers ace Clayton Kershaw allowed five runs in Game 6 of the NLCS, his disappointing outing was largely attributed to some combination of the Chicago Cubs’ powerful lineup and the general unpredictability of baseball. Researchers at Northwestern University have another theory: He might have been jet lagged.

According to a study published Monday in the Proceedings of the National Academy of Sciences, teams traveling…