According to Sports Illustrated, the New York Yankees are encouraging their players to get more sleep during spring training.

As a result of the findings of Stanford professor Scott Kutscher, New York begins its spring training workouts at 11:30 a.m., long after most other MLB teams.

“Go ask someone, ‘Why do you practice at 9 a.m.?’ The answer will be, ‘Because we just do,’” Kutscher said, according to the WSJ. “There’s no practical reason behind it. It’s certainly not based on any good sleep science.”

In his 2013 study, Kutscher found that players’ plate discipline typically diminishes throughout the season due to fatigue.

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