Digital dementia refers to the cognitive decline linked to overuse of digital devices, affecting memory, concentration, and learning. This issue can also impact mental health, leading to sleep disorders, anxiety, and depression. Digital dementia refers to the cognitive decline linked to overuse of digital devices, affecting memory, concentration, and learning. This issue can also impact mental health, leading to sleep disorders, anxiety, and depression. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle