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Covariation in couples' nightly sleep and gender differences
Soomi Lee1, Lynn M Martire2, Sarah A Damaske3
1Department of Biobehavioral Health, Pennsylvania State University; Center for Healthy Aging, Pennsylvania State University.
Sleep Health
|March 21, 2018
Summary
Couples
Area of Science:
- Behavioral Science
- Sleep Science
- Relationship Science
Background:
- Sleep is a shared behavior in partnered adults.
- Understanding couple sleep dynamics is crucial for public health.
- Previous research has not fully explored gender differences in partner sleep influence.
Purpose of the Study:
- To investigate sleep duration and quality covariation within couples.
- To determine if partner sleep uniquely influences individual sleep, and if this differs by gender.
Main Methods:
- Dyadic multilevel modeling was used.
- Data collected over eight consecutive days from 76 individuals in 38 couples.
- Participants reported nightly sleep duration and quality separately.
Main Results:
- Sleep duration and quality showed positive covariation within couples.
- Men's sleep duration was influenced by their female partner's sleep duration, but not vice versa.
- Sleep quality covariation did not differ significantly by gender.
Conclusions:
- Sleep is a synchronized behavior within couples, affecting both duration and quality.
- Partner sleep significantly impacts male sleep duration, highlighting a gendered dynamic.
- Further research is needed on the health implications of couple sleep synchronization.