
For professional athletes, exercise, diet and training are crucial to maximizing their abilities. But in recent years, more and more athletes have been opening up about another performance enhancer: sleep. For example,many NBA stars swear by the benefits of napping, both on game days and off days. In nearly every sport, sleep is now considered key to achieving peak performance. Here are some of the athletes who have spoken up about its performance-enhancing powers.
Kevin Durant

Larry Fitzgerald

Usain Bolt

Michelle Wie

Russell Wilson

Rafael Nadal

LeBron James

Steve Nash

Michael Phelps

Kurt Busch

Stephen Curry

Derrick Rose

Andy Murray

Roger Federer

Amar'e Stoudemire

Earl Watson

Lindsey Vonn

Maria Sharapova

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