Adam P Spira, Fangyu Liu, Vadim Zipunnikov, Murat Bilgel, Jill A Rabinowitz, Yang An, Junrui Di, Jiawei Bai, Sarah K Wanigatunga, Mark N Wu, Brendan P Lucey, Jennifer A Schrack, Amal A Wanigatunga, Paul B Rosenberg, Eleanor M Simonsick, Keenan A Walker, Luigi Ferrucci, Susan M Resnick
STUDY OBJECTIVES: To compare sleep and 24-hour rest/activity rhythms (RARs) between cognitively normal older adults who are β-amyloid-positive (Aβ or Aβ- and replicate a novel time-of-day-specific difference between these groups identified in a previous exploratory study. METHODS: We studied 82 cognitively normal participants from the Baltimore Longitudinal Study of Aging (aged 75.7 ±8.5 years, 55% female, 76% White) with wrist actigraphy data and Aβ vs...
February 21, 2024: Sleep