Lemola, Sakari; Richter, David - In: The Journals of Gerontology Series B: Psychological … 68 (2013) 5, pp. 721-729
Objectives. Older adults more often complain about sleep disturbances compared with younger adults. However, it is not clear whether there is still a decline of sleep quality after age 60 and whether changes in sleep quality in old age are mere reflections of impaired physical health or whether...