The validity of sleeping hours of healthy young children as reported by their parents

Michikazu Sekine1, Xiaoli Chen, Shimako Hamanishi

  • 1Department of Welfare Promotion and Epidemiology, Toyama Medical and Pharmaceutical University, Faculty of Medicine, Japan.

Insights

Parental reports of young children's sleep duration are highly correlated with objective measurements. This suggests parent-reported sleep data can be valuable for surveys assessing relative sleep differences in populations.

Area of Science:

  • Pediatrics
  • Sleep Medicine
  • Research Methodology

Background:

  • Accurate sleep duration data is crucial for child development studies.
  • Parental reporting is a common method for collecting sleep data, but its validity requires assessment.

Purpose of the Study:

  • To evaluate the accuracy of parental reports on young children's sleep duration.
  • To compare parent-reported sleep hours with objectively measured sleep hours.

Main Methods:

  • 21 healthy children aged 3-4 years participated.
  • Objective sleep monitoring was conducted over 3 consecutive nights using a small instrument.
  • Parents reported their children's sleep hours during the same period.
  • Statistical analyses included Pearson's correlation coefficients and paired t-tests.

Main Results:

  • A high correlation (r=0.90, p<0.001) was found between reported and objectively measured sleep hours.
  • Parents tended to overestimate children's sleep duration.
  • The difference between reported and actual sleep hours was approximately 0.92 hours.

Conclusions:

  • Parental reports of sleep duration show high validity when compared to objective measures.
  • Despite a tendency for overestimation, parent-reported sleep data is suitable for surveys focusing on relative sleep differences within a population.

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