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Updated: May 28, 2026

Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood
Published on: October 2, 2019
Attachment representations, sleep quality and adaptive functioning in preschool age children
Brian E Vaughn1, Mona El-Sheikh, Nana Shin
1Human Development & Family Studies, Auburn University, AL, USA. vaughbe@auburn.edu
Insights
Childhood attachment security and sleep quality are linked in preschoolers. Secure parent-child relationships correlate with better sleep organization, highlighting their intertwined influence on development.
Area of Science:
- Developmental Psychology
- Sleep Science
- Child Psychiatry
Background:
- Attachment and sleep are crucial for child development and functioning.
- Existing research on the link between attachment and sleep in children is limited and shows mixed results, primarily focusing on infancy.
Purpose of the Study:
- To investigate the relationship between attachment representations and sleep quality in preschool children.
- To explore potential interactions between attachment and sleep in this age group.
Main Methods:
- Attachment representations were assessed using the Attachment Story Completion Task (ASCT).
- Sleep patterns were objectively measured using actigraphy in 34 preschool children.
- Statistical analyses examined correlations between ASCT coherence/security and sleep indices.
Main Results:
- A significant relationship was found between the coherence and security of child attachment narratives (ASCT) and objective sleep quality measures.
- Specific sleep indices, including Sleep Activity, Wake Minutes after Sleep Onset, and Sleep Efficiency, were correlated with attachment security.
- No significant mediated interactions were identified between attachment representations and sleep domains.
Conclusions:
- The findings suggest that parent-child relationship quality and sleep organization are interconnected in preschool-aged children.
- While the direction of influence is undetermined, the study underscores the importance of considering both attachment and sleep as integrated biopsychosocial regulators.
- Further research is warranted to elucidate the complex interplay and joint effects of attachment and sleep on child development.
Abstract:
Both the attachment system and sleep are considered to be important biopsychosocial regulators of development and of adaptive functioning in children, and there is a substantial literature suggesting that the two systems may be mutually influencing. To date, however, the bulk of research attempting to link these systems has focused on infancy and the results of empirical studies are mixed. Thirty-nine preschool children participated in this study (valid sleep data for 34 cases). Attachment representations were assessed using the Attachment Story Completion Task (ASCT) and sleep was assessed using objective (i.e., actigraphy) measures. Analyses revealed that the coherence of child narratives and security scored from the ASCT were related to sleep quality indices (e.g., Sleep Activity, Wake Minutes after Sleep Onset, Sleep Efficiency). Additional analyses examined external correlates of attachment representations and tested possible interactions of attachment and sleep. No significant mediated interactions across attachment and sleep domains were found. Although the direction of effects cannot be determined, the results suggest that parent-child relationship and sleep organization are intertwined for preschool age children and the joint effects of these biopsychosocial regulators should be studied further.
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