Caregiving for a disabled spouse impairs sleep among women but not men, and a clear graded relationship exists between care recipients' functional disability types and caregivers' sleep problems.
Women spousal caregivers had significantly shorter sleep duration compared to non-caregiving women.
Women spousal caregivers had significantly poorer sleep quality compared to non-caregiving women.
No significant differences in sleep duration or sleep quality were observed among male spousal caregivers compared to male non-caregivers.
When care recipients had 5 to 8 types of functional disabilities, caregivers experienced significantly reduced sleep duration.
When care recipients had 9 to 12 types of functional disabilities, caregivers experienced significant deterioration in both sleep duration and sleep quality.
The study used a nationwide cross-sectional design drawing on the 2020 fifth wave of the China Health and Retirement Longitudinal Study (CHARLS).
This research suggests that caring for a spouse with disabilities takes a measurable toll on sleep, but this toll falls much more heavily on women than men. Using data from over 13,000 older adults in China, researchers found that women who were caring for a disabled husband were significantly more likely to report shorter sleep and worse sleep quality compared to women who were not caregivers. Men in the same caregiving role did not show the same pattern — their sleep outcomes were not significantly different from non-caregiving men. The study also found that the more types of disabilities a care recipient had, the more likely their caregiver was to experience sleep problems. When a spouse needed help with 5 to 8 different functional tasks, caregivers were more likely to report shorter sleep. When the number of disability types reached 9 to 12 — representing a very high level of care need — caregivers were significantly more likely to experience both shorter sleep and worse sleep quality simultaneously. This suggests a clear 'dose-response' relationship: the greater the caregiving burden, the worse the caregiver's sleep. These findings matter because poor sleep is linked to a wide range of health problems, and family caregivers — especially women — often go without formal support. This research suggests that policies and programs designed to support caregivers should take gender into account, directing resources particularly toward women who are providing high-intensity care, as they appear to be at greatest risk for sleep-related health consequences.
Mu T, Xu R, Zhu Q. (2026). Gender Differences in Sleep Deprivation and Quality Among Spousal Caregivers of Disabled Partners: A Nationwide Cross-Sectional Study.. Inquiry : a journal of medical care organization, provision and financing. https://doi.org/10.1177/00469580261420705