According to a study published online in Neurology®, the medical journal of the American Academy of Neurology, obstructive sleep apnea, a condition that causes low oxygen levels during sleep, is associated with the degeneration of brain regions related to memory. The study found that the changes in the brain were strongly related to the extent […]
Adolescents People Who Sleep Longer Perform Better in Cognitive Tasks
Young people who sleep longer—and go to bed earlier—than their peers tend to have better brain function and perform better on cognitive tests. This is what researchers from the UK and China have found. However, the study of young people in the US also showed that even those with better sleep habits did not get […]
Association Between Lower Proportions of Certain Sleep Phases and Brain Changes Associated With Alzheimer’s Disease
New research indicates that lower proportions of certain sleep stages are associated with reduced brain volume in regions vulnerable to the development of Alzheimer’s disease over time. The results show that individuals with lower proportions of time spent in deep sleep and rapid eye movement sleep had lower volumes in critical brain regions, particularly in […]
Are Night Owls More Prone to Depression, Heart Disease and Metabolic Disorders?
Mindfulness, overall sleep quality and alcohol consumption could explain why people who stay up late have a higher risk of depression, according to a new study published in the open access journal PLOS One by Simon Evans of the University of Surrey, UK, and colleagues. Previous research has shown that night owls, who stay up […]
The Pupil as a Window to the Sleping Brain
Our eyes are usually closed when we sleep. However, a great deal of activity takes place under our closed eyelids: a team of researchers led by senior researchers Caroline Lustenberger, Sarah Meissner and Nicole Wenderoth from the Neuronal Movement Control Laboratory at ETH Zurich has observed that the size of the pupil fluctuates constantly during […]
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