Restricted use of electronic media, sleep, performance, and mood in high school athletes--a randomized trial.

摘要: Abstract Objectives The study aims to evaluate whether 4 weeks with restricted use of electronic media after 22:00 affects sleep, athletic performance, cognitive and mood in high school athletes. Methods Eighty-five athletes were randomized either an intervention group (n = 44), who was instructed not any 22:00, or a control condition 41), where they could act as preferred terms use. Primary outcomes sleep habits measured diary. Secondary ( ) physical performance set standardized tests (beep test, 20-m linear sprint, chin-up hanging sit-ups counter movement jump sit-n-reach test); b (response time response accuracy); c positive negative affect. Differences between groups tested mixed between-within subject analyses variance. Results conclusions Thirty-five 40 the group, respectively, completed study. showed that did improve habits, top already good habits. However, these findings give us knowledge about this population is importance when designing future studies.