Memory Decline May Be Linked with Sleep Quality and Aging

Lighter Sleep May Dull Memory Skills In Seniors by Randy Dotinga.  US News Health.  January 27, 2013.

Study Links Aging In Brain To Sleep-Related Memory Decline by Benedict Carey.  The New York Times.  January 27, 2013.

While the study size is small and limited in sample diversity, it does appear to link less quality deep sleep in older adults and the ability to remember, in the study case, pairs of words.  The prefrontal cortex, the part of the brain that helps with quality sleep, declines in volume with age perhaps contributing to loss of quality sleep