Alzheimer’s disease and sleep: Could 7 to 8 hours lower the risk?

A recent study published in JAMA Neurology, stemming from PET scans among 4,417 older adults with normal cognition, indicated short sleep of 6 hours or less was linked to a higher burden of the amyloid-beta protein; toxic buildup of amyloid is believed to serve as a precursor for Alzheimer's disease.