Tennis athletes may require a bit more shut eye than the novice payer to combat fatigue and give them a competitive advantage. On average most competitive tennis players average between 10-12 hours of sleep a day to allow the body to reset
REM sleep provides energy to both the brain and body. If sleep is cut short, the body doesn’t have time to repair memory, consolidate memory, and release hormones. Excessive exercise drains the body of necessary energy, fluids, and muscle repair. Hydration is critical to performance.
Sleep deprivation increases levels of stress hormone, cortisol, and decreases glycogen and carbohydrates. Try drinking water immediately in the morning as you wake up. Carbohydrates are also recommended in the morning as these are stored for energy and used during physical activity to maximize focus on the court.