Marieclaire Overton, Johan Skoog, Erika J Laukka, Timothy Hadarsson Bodin, Alexander Darin Mattsson, Linnea Sjöberg, Scott M Hofer, Lena Johansson, Jenni Kulmala, Miia Kivipelto, Alina Solomon, Ingmar Skoog, Ingemar Kåreholt, Shireen Sindi
STUDY OBJECTIVES: We examined and compared cross-sectional and longitudinal associations between self-reported sleep disturbances and various cognitive domains in five separate Nordic European longitudinal aging studies (baseline N=5631, Mean age=77.7, Mean follow-up=4.16 years). METHODS: Comparable sleep parameters across studies included reduced sleep duration/quality, insomnia symptoms (sleep latency, waking up at night and early awakenings), short and long sleep duration, and daytime napping...
September 14, 2023: Sleep