“Vicious Cycle” Discovered Between Excessive Daytime Napping and Alzheimer’s

In a study of older adults, longer, more frequent daytime napping in a specific year predicted worse cognitive performance in the following year, and vice versa.

Daytime napping is common among older adults. The longitudinal relationship between daytime napping and cognitive aging, however, is unknown. A new cohort study by investigators from Brigham and Women’s Hospital found a bidirectional link between the two: excessive daytime napping predicted an increased future risk of “Vicious Cycle” Discovered Between Excessive Daytime Napping and Alzheimer’s