Circadian rhythm

Sports

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.

Sports

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.