Health Insomnia: The Most Common Sleep Disorder Worldwide by Dr Natalie Singh - Health Editor July 2, 2026 by Dr Natalie Singh - Health Editor July 2, 2026 Insomnia Affects 10-15% of Adults Globally, According to Latest Research Insomnia, the most common sleep disorder, affects approximately 10-15% of adults worldwide, according to a 2023 study published in the … 0 FacebookTwitterPinterestEmail