Don't lose sleep over reports that one bad night can spark dementia
"Just one bad night's sleep 'increases your chances of Alzheimer's'," is the misleading headline in The Sun, which the Mail Online more than matches with the baseless claim that "Just one sleepless night could spark Alzheimer's".
The study that prompted the claim involved only 20 people, none of whom had Alzheimer's disease. They were tracked over the course of just two nights of monitored sleep. During that time they were allowed to sleep as much as they wanted for the first night, and then on the second night they were kept awake by a nurse.
The researchers then used brain scans to measure levels of a protein called beta-amyloid that builds up naturally in the brain. This protein is found in larger amounts in people with Alzheimer's disease, although it is not clear if simply having higher levels of it for a short time increases the risk of Alzheimer's.Read Full Article