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From Bedsharing to Blue Light: Tracing Trends in Family Sleep Research
Nandini Adusumilli1, Yiqing Zhong1, Yifang Xu1
1Sleep Education and Research Laboratory, Psychology and Human Development, UCL Institute of Education, London, UK.
The Journal of Genetic Psychology
|July 28, 2026
Summary
This review maps family sleep research trends from 1970-2025, revealing key themes like infant bedsharing and parental sleep literacy. It highlights a need for culturally diverse, family-centered studies and improved objective sleep measures.
Area of Science:
- Family health
- Sleep science
- Bibliometrics
Background:
- Family sleep practices are crucial for child development and public health.
- Existing research often lacks global representation and diverse family structures.
- Understanding the evolution of family sleep research is essential for future studies.
Purpose of the Study:
- To conduct the first scientometric review of family sleep practices literature.
- To trace the conceptual evolution of the field from 1970 to 2025.
- To identify key themes, research gaps, and future directions.
Main Methods:
- Scientometric review of 532 publications.
- Document co-citation analysis (DCA) using CiteSpace software.
- Thematic cluster identification.
Main Results:
- Identified key themes: infant bedsharing, cross-cultural sleep, parental sleep literacy, screen time, and genetics.
- Revealed a dominance of Western, high-income contexts and limited global representation.
- Highlighted insufficient use of objective measures like actigraphy.
Conclusions:
- Advocates for culturally adaptable sleep guidelines and enhanced sleep literacy.
- Emphasizes the need for holistic, family-level research including fathers and senior caregivers.
- Provides a foundational knowledge map for future interdisciplinary family sleep research.
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