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Updated: May 20, 2026

Assessing Dyslexia at Six Year of Age
Published on: May 1, 2020
Outcomes at six years of age for children with infant sleep problems: longitudinal community-based study
Anna M H Price1, Melissa Wake, Obioha C Ukoumunne
1Centre for Community Child Health, Royal Children's Hospital, Parkville, VIC 3052, Australia. anna.price@mcri.edu.au
Insights
Infant sleep problems do not predict long-term outcomes at age six. Focus on addressing current sleep issues for their short-to-medium term impacts.
Area of Science:
- Pediatric sleep science
- Developmental psychology
- Child health outcomes
Background:
- Infant sleep problems are common and can cause significant distress.
- Previous research has yielded mixed results on the long-term effects of early sleep disturbances.
- Understanding the long-term predictability of infant sleep issues is crucial for clinical guidance.
Purpose of the Study:
- To investigate if infant sleep problems predict persistent sleep issues at age six.
- To determine if infant sleep problems predict other adverse outcomes in six-year-olds.
- To analyze the association between early sleep disturbances and later child and family well-being.
Main Methods:
- A community-based cohort of 326 six-year-olds was studied.
- Parent-reported infant sleep problems at 4, 12, and 24 months were used as predictors.
- Outcomes at age six included sleep problems (CSHQ), mental health, global health, HRQoL, and child-parent relationship.
Main Results:
- A total of 225 families completed the six-year follow-up.
- Each additional infant sleep problem predicted a 0.5-point increase in the Child Sleep Habits Questionnaire (CSHQ) total score.
- Little evidence was found for infant sleep problems predicting other child, maternal, or child-parent outcomes at age six.
Conclusions:
- Infant sleep problems, regardless of duration, do not predict long-term outcomes at age six.
- Clinical focus should be on managing current child sleep problems and their immediate impacts.
- Early sleep disturbances are not reliable predictors of later developmental or mental health issues.
Objectives:
To examine whether infant sleep problems predict (1) sleep problems and (2) poorer outcomes at the age of six years.
Methods:
We studied a community-based cohort of 326 six-year-olds recruited to a randomized trial of a behavioral sleep intervention for sleep problems at age seven months. Predictors were parent-reported child sleep problems at ages 4, 12, and 24 months ("yes" vs. "no"). There were a number of parent reported six-year-old outcomes: (1) Child sleep problem ("moderate/large" vs. "none/small") and Child Sleep Habits Questionnaire (CSHQ); (2) child and maternal mental and global health, child health-related quality of life (HRQoL, also child-reported), and child-parent relationship. The analyses were composed of multivariable models, adjusting for potential confounders and six-year sleep problems, examining whether each outcome was predicted by each infant sleep problem entered simultaneously. In a second set of analyses the predictor was the count of the number of waves with a sleep problem.
Results:
A total of 225 (69%) families participated at six years. The CSHQ Total increased 0.5 points (95% CI: 0.4 to 2.4, p=0.006) with each additional infant sleep problem, but there was little evidence that sleep problems at one or more time points during early childhood predicted other child, maternal, or child-parent outcomes at six years.
Conclusion:
Infant sleep problems, whether transient, recurring, or persistent, do not predict long-term outcomes. Clinicians should focus on reducing child sleep problems and their considerable short-to-medium term impacts as they arise during childhood.
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