
Sleep well, stay sharp: How midlife sleep habits affect dementia risk Sleep is an essential part of our lives, and it plays a crucial role in our overall health and well-being. A recent study conducted by researchers at University College London used data from the Whitehall II study to examine the association between sleep duration and the incidence of dementia over a 25-year follow-up period. The study included 7’959 participants who were followed from the age of 50, and 521 of them were diagnosed with dementia over the course of the study. Individuals, who consistently slept six hours or less at the age of 50, 60, and 70 had a 30% increased risk of developing dementia compared to those who consistently slept seven hours per night. Furthermore, those who slept six hours or less at age 50 and 60 had a higher risk of dementia than those who slept seven hours per night. These findings suggest that short sleep duration in midlife may be associated with an increased risk of late...