ASSOCIATIONS BETWEEN SLEEP HYGIENE INDEX SCORE AND WHITE MATTER MICROSTRUCTURE
2024
Sleep Hygiene and White Matter Health in Older Adults
Sample size: 49
publication
Evidence: low
Author Information
Author(s): Weimar Lisa, Zhang Meina, Magnotta Vincent, Axelson Eric, Cochran Josh, Hopkins Lauren, Moon Chooza
Primary Institution: University of Iowa
Hypothesis
Poor sleep hygiene negatively affects white matter microstructure in older adults.
Conclusion
The study found that poorer sleep hygiene is linked to reduced white matter integrity in older adults.
Supporting Evidence
- Poor sleep hygiene was associated with lower FA values in specific white matter tracts.
- Diffusion tensor imaging was used to assess white matter microstructure.
Takeaway
If older people don't sleep well, it might hurt their brain's white matter, which is important for thinking and memory.
Methodology
Participants completed the Sleep Hygiene Index and underwent diffusion-weighted MRI to assess white matter integrity.
Limitations
The study had a small and homogenous sample size.
Participant Demographics
Mean age 70.4 years, 51% female.
Digital Object Identifier (DOI)
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