Does your older family member tend to nod off during the day? If so, new research suggests that it could be a sign of Alzheimer’s disease. There are 5.8 million people in the United States with Alzheimer’s disease. It is a progressive disease that causes brain cells to die. As a result, the senior experiences a decline in thinking skills, memory, behavioral skills, and social skills that continue to worsen over time. Scientists continue to study the disease, hoping to learn things that could lead to a cure one day. This latest study offers insight that may help doctors to diagnose Alzheimer’s sooner, allowing for earlier treatment.