Sleep cycles can affect an athlete's performance
If you watched Sunday's Super Bowl, you witnessed its improbable ending: Jermaine Kearse’s remarkable catch near the end; Seattle coach Pete Carroll's surprising play call at the goal line; and the interception that clinched the win for the New England Patriots. Would the outcome have been different had the game been played at a different time of day? We'll never know. But new research may provide an intriguing insight.