Researchers uncovered that Alzheimer’s disease scrambles the brain’s internal clock, throwing gene activity in key support cells off rhythm. Restoring circadian balance may help protect against amyloid buildup and slow the disease’s advance. Credit: Shutterstock Alzheimer's disease often throws a person's daily patterns into disarray. Difficulty sleeping through the night, restless tossing, and frequent daytime naps are common early warning signs. In later stages, patients often experience "