Sleep loss can increase the risk of dementia by 40%, research shows: All you need to know

A recent study in Neurology reveals that chronic insomnia significantly elevates the risk of cognitive decline and dementia in older adults. Individuals with persistent sleep problems face a 40% higher chance of developing dementia or mild cognitive impairment. Researchers linked poor sleep to faster brain aging, observing changes in brain structure and increased markers associated with Alzheimer’s disease.