Bidirectional Links of Daily Sleep Quality and Duration With Pain and Self-rated Health in Older Adults’ Daily Lives

Abstract

Background Sleep and health perceptions such as self-ratings of pain and health are closely linked. However, the temporal ordering of such associations is not well understood and it remains unclear whether sleep quality and sleep duration show similar or differential associations with health perceptions. Methods We used ecological momentary assessment data from 123 young-old (66-69 years, 47% women) and 47 old-old adults (84-90 years, 60% women). Across seven consecutive days, participants reported their sleep quality and sleep duration each morning and rated their momentary pain and health six times per day. We applied dynamic structural equation models to examine bidirectional links of morning reports of sleep quality and duration with daily levels of self-rated pain and health. Results In line with the hypotheses, results showed that when participants reported better sleep quality than what is typical for them, they reported less pain and better self-rated health on the day that followed. Longer sleep duration was not linked with subsequent pain or self-rated health. On days when people rated their health as better than usual, they reported better sleep quality but not longer sleep duration the following night. These associations were not moderated by age, gender, or chronic pain. Conclusion Findings suggest that in old age sleep quality is more relevant for health perceptions than sleep duration. Associations between sleep quality and self-rated health seem to be bidirectional; daily pain was linked to prior but not subsequent sleep quality.

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