A new study suggests that chronic declines in slow-wave sleep over time are important for predicting dementia risk. The study found that slow-wave sleep plays a crucial role in removing beta-amyloid protein from the brain, a hallmark sign of Alzheimer's disease.
During this stage, the body removes unwanted, or potentially harmful, materials from the brain — including beta-amyloid protein , a hallmark sign of Alzheimer's disease.The study, which was published in journal, sought to find out if chronic reductions in slow-wave sleep over time are linked with dementia risk .
"Results suggest that chronic declines in slow wave sleep, rather than individual differences at any given time, are important for predicting dementia risk," Pase said. The authors also investigated whether any changes in the amount of slow-wave sleep that participants got was associated with developing dementia up to 17 years after they completed the sleep studies.Hamas issues chilling hostage video
Those who experienced declines in this deep sleep were more likely to have cardiovascular disease, take medications that affect sleep and carry a gene that makes people more at risk for Alzheimer's.The study isn't the first to find such connections.
Slow-Wave Sleep Dementia Risk Brain Health Alzheimer's Disease Beta-Amyloid Protein
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