Professional athletes such as LeBron James, Roger Federer, and Usain Bolt are on record as saying they need to sleep 10-12 hours a night to perform at their highest level.

Student athletes who sleep less than eight hours a night are two times more likely to suffer an injury within a month.

• Well-rested tennis players have a 4.2% increase in hitting accuracy
• Well-rested swimmers showed a 17% improvement in starting times
• Well-rested football players dropped 0.1 second off their 40-yard dash time
• Well-rested basketball players increased free throw and 3-point shooting percentage by 9% each
• Under-rested athletes lost 20 pounds off their bench press after only 4 days of inadequate sleep
• Perceived exhaustion increased 18% after only 30 hours of sleep loss
• Sleep loss led to an 11% increase in time to exhaustion