beginners
That 11-Minute Beginner Workout Is Harming Your Sleep
That 11-Minute Beginner Workout Is Harming Your Sleep Short, high-intensity sessions can interfere with the deep sleep needed for muscle repair and fat loss. The answer is yes - an 11-minute sprint may be the sleep saboteur you didn’t expect. Under 30 minutes of high-intensity interval training (HIIT) is