Less Deep Sleep Linked to Brain Shrinkage, Alzheimer's Risk

Source: Google NewsNew research shows that reduced time in slow wave and REM sleep is related to smaller brain volumes in regions vulnerable to Alzheimer's disease. Using sleep studies and brain imaging data from 270 participants, the study found that poor sleep architecture was linked to brain atrophy. These links held even after controlling for factors like age, heart health, and lifestyle, suggesting that disrupted sleep may be a modifiable risk factor for...