Written by Claire Hansen
Experts have long warned about the negative effects of sleep deprivation, and new research suggests that people with Alzheimer’s disease may be particularly affected.
In a study of mice and humans, researchers at Washington University School of Medicine in St. Louis found that sleep deprivation increases levels of the protein tau, which is linked to Alzheimer’s disease. In follow-up studies in mice, the researchers also found that sleeplessness speeds up the spread of toxic clumps of tau in the brain, a precursor to brain damage and dementia. Read more.