The "ECNL sleep study" refers to significant research by the Elite Clubs National League (ECNL) Center for Athlete Health and Performance , highlighting that sleep is the #1 predictor of mental health and quality of life in youth athletes , and a key factor in injury prevention, with more sleep reducing injury risk. Studies show athletes getting less than 8 hours are more prone to injuries, and the Center promotes prioritizing sleep, like training and diet, for elite performa