A study from the Norwegian Institute of Public Health reveals using screens in bed increases the risk of insomnia by 59% and reduces sleep time by 24 minutes. Excessive screen time disrupts sleep by delaying sleep onset, displacing rest, and causing light exposure and notifications. A study from the Norwegian Institute of Public Health reveals using screens in bed increases the risk of insomnia by 59% and reduces sleep time by 24 minutes. Excessive screen time disrupts sleep by delaying sleep onset, displacing rest, and causing light exposure and notifications. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle