How loneliness and sleep problems jointly shape mental health among middle-aged and older adults: a fixed-effects analysis

Key Points

• This research aims to understand how loneliness and sleep problems together influence mental health in middle-aged and older adults.
• Fixed-effects analysis was used to assess the relationship between loneliness and sleep problems.
• Focus on middle-aged and older adults in understanding their mental health status.
• Identified a significant joint effect of loneliness and sleep problems on mental well-being.
• Proposed that addressing both factors could improve mental health outcomes.