Optical illusions offer a fun and challenging test of brainpower, often requiring focus, keen observation, and inventiveness. This puzzle prompts readers to find a hidden sheep within 5 seconds. Success in solving such illusions can indicate high IQ and enhanced problem-solving skills. Optical illusions offer a fun and challenging test of brainpower, often requiring focus, keen observation, and inventiveness. This puzzle prompts readers to find a hidden sheep within 5 seconds. Success in solving such illusions can indicate high IQ and enhanced problem-solving skills. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle