Sleep Duration and Cognition in the Long Life Family Study
Author Information
Author(s): Gordon Emma, Gu Yian, Cosentino Stephanie, Anderson Stacy, Ukraintseva Svetlana
Primary Institution: Albert Einstein College of Medicine
Hypothesis
How is sleep duration related to cognition in a population with slower cognitive decline?
Conclusion
The study found that sleep duration is not a significant contributor to memory decline in this population.
Supporting Evidence
- The study included a subset of 2344 participants from the Long Life Family Study.
- Those with more than 8.5 hours of sleep had lower episodic memory scores at baseline.
- Sleep duration was not associated with semantic or working memory.
- Lower memory scores at baseline predicted longer sleep time subsequently.
Takeaway
This study looked at how sleep affects memory in older people, and it found that sleeping too much or too little doesn't really change how well they remember things.
Methodology
Participants' sleep habits were assessed using the Health Habits Questionnaire, and memory was measured at baseline and follow-up.
Limitations
The study only assessed sleep habits once and did not find significant associations for all memory types.
Participant Demographics
Participants were from the Long Life Family Study, a cohort with slower rates of cognitive decline.
Statistical Information
P-Value
0.021
Statistical Significance
p=0.021
Digital Object Identifier (DOI)
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