Introduction
A longitudinal study published in April 2026 has found that chronic insomnia is associated with a significantly higher risk of cognitive decline and dementia. Researchers followed over 2,700 cognitively healthy adults for nearly six years, comparing those with persistent sleep problems to those without. The findings suggest that poor sleep may not merely be a symptom but a potential risk factor for long-term brain health. According to the study, individuals experiencing chronic insomnia faced a 40% increased likelihood of developing mild cognitive impairment or dementia compared to good sleepers. The research also indicated that the brain changes observed in insomnia sufferers were equivalent to adding several years of aging to the brain. [1]
Read Full Article: https://www.naturalnews.com/2026-04-23-study-association-chronic-insomnia-increased-dementia-risk.html
