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Study of College Athletes Shows That Nutrition & Sleep May Go Hand in Hand

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04/22/2023
newswise.com

Newswise — Long Beach, Calif. (April 21, 2023)—What you eat might influence when you go to sleep, according to a new study of elite female college athletes. Researchers will present their work this week at the American Physiology Summit, the flagship annual meeting of the American Physiological Society (APS), in Long Beach, California. 

The study revealed that athletes who consumed more carbohydrates and vitamins B12 and C tended to go to sleep earlier and wake earlier than those who consumed less of these nutrients. According to the researchers, these nutrients might increase synthesis of vital hormones that regulate sleep, including serotonin and melatonin. “For athletes, success is measured not only by readiness to perform but also resiliency on and off the field,” said the study’s first author Lauren Rentz, a doctoral student at West Virginia University. “We know that sleep helps the body heal from daily physical and mental stress and influences future physical and mental performance. The relationship between sleep and nutrient intake hasn’t been researched as thoroughly in high-performing athletes, who consistently experience large amounts of stress.”

For the study, researchers evaluated the sleep and nutritional patterns of 23 female collegiate soccer players. The athletes wore a smart ring that tracked their sleep for 31 consecutive nights during the competitive season. During the final three days of the evaluation, athletes recorded their dietary intake. 

The analysis revealed associations between nutrient consumption and sleep timing but not sleep duration. It also showed that most athletes averaged seven to eight hours of sleep a night and met recommended intake for many vitamins. However, about half of the athletes were deficient in vitamins A and K as well as protein, and almost all failed to consume recommended amounts of vitamin D and carbohydrates.

“The use of wearable technology has become very popular among athletes, and our study shows how wearable data can be used by practitioners or athletes themselves to become more in-tune with their health,” Rentz said. “Wearables are great for capturing the body’s response to physiological stressors without adding more stress.”

The researchers caution that their results shouldn’t be interpreted as cause and effect, but rather show how various aspects of health can simultaneously contribute to performance and recovery potential. Next, they plan to evaluate similar health patterns in a larger group of people and examine how these patterns may influence athletes’ success. 

NOTE TO JOURNALISTS: The American Physiology Summitwill be held April 20–23, 2023, in Long Beach, California. To schedule an interview with the researchers, conference organizers or presenters, contact . Find more highlights from the meeting in ourSummit Newsroom. 

Physiology is a broad area of scientific inquiry that focuses on how molecules, cells, tissues and organs function in health and disease. The American Physiological Society connects a global, multidisciplinary community of more than 10,000 biomedical scientists and educators as part of its mission to advance scientific discovery, understand life and improve health. The Society drives collaboration and spotlights scientific discoveries through its 16 scholarly journals and programming that support researchers and educators in their work.

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Schedule14 Apr 2024