Sleep-Deprived Teen Athletes Suffer More Injuries
When you’re sleepy you’re more likely to make mistakes. And, it appears from research presented last month at a conference of the American Academy of Pediatrics, lack of sleep puts adolescent athletes at greater risk of injury.
Researchers studied middle- and high-school athletes in grades 7 to 12 for nearly two years. They found that those who slept eight or more hours every night were significantly less likely—68 percent—to be injured playing their sports than those who regularly slept less.
The study admittedly was small—it surveyed kids at only one California school. And it relied on students remembering and communicating accurately. But the premise, really, is a no-brainer: Insufficient sleep is not good for you, in many ways.
In addition to their sleep habits, students were asked about what sports they played, the time they spent playing sports either at school or in other programs, if they used a private coach, if they participated in strength training and how much they enjoyed their athletic endeavors. Split nearly evenly between boys and girls, 112 of the 160 students completed the survey, which was done in conjunction with Children’s Hospital Los Angeles.
The study’s author, Dr. Matthew Milewski, said, “While other studies have shown that lack of sleep can affect cognitive skills and fine motor skills, nobody has really looked at this subject in terms of the adolescent athletic population.”
In addition to hours of sleep per night being clearly associated with the incidence of injury, results showed that the higher the grade level of the athlete, the higher the likelihood of injury. Each additional grade level was associated with a 2.3 higher chance of getting hurt playing sports. No other element—gender, duration/hours of participation, number of sports played, strength training, private coaching or “fun” factor—showed a significant association with injury.
Milewski said that the association between higher grades/ages and increased chance of injury might reflect the cumulative effect of playing sports for several years as well as the fact that older kids are bigger, faster and stronger.
As reported on MedPage Today, the injuries involved multiple body parts. Most common, however, were injuries to the hand or wrist, knee, shoulder, ankle, back and head.
More than 38 million children participate in organized sports each year, according to MedPage Today. Approximately 1 in 10 is treated for a sports injury. Milewski said about half of all injuries probably are related to overuse, and half of those are probably preventable.
During the school study, nearly 6 in 10 athletes were injured; nearly 4 in 10 were hurt multiple times.
As MedPage reports, the Centers for Disease Control and Prevention and the National Sleep Foundation define insufficient sleep for high schoolers as fewer than eight hours per night. And the eight-hours threshold in this age group, Milewski said, is regularly missed—approximately 7 in 10 high schoolers don’t sleep that much. More than 3 in 4 four students involved in the survey said they slept fewer than eight hours. (See our post about how teenagers’ love of texting contributes to sleep deprivation.)
If parents needed another reason to nag their kids, the greater risk of getting hurt at play is a pretty good one: Tell your kid to log off of Facebook, turn off the smartphone and go to bed.
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