Lower circadian rhythmicity of rest-activity patterns is associated with a higher risk of chronic kidney disease in older adults. - Pickel, Lauren; Sommer, Rosa; Yu, Lei; Bjarnason, Georg A.; Buchman, Aron S.; Bennett, David A.; Tobe, Sheldon W.; Lim, Andrew S. P. (Chronobiology International: The Journal of Biological & Medical Rhythm Research, 2026)