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Impact of total sleep duration on blood pressure in preschool children

Mari Sampei1, Miwako Dakeishi, Donald C Wood

  • 1Department of Environmental Health Sciences, Akita University School of Medicine, Japan.

Biomedical Research (Tokyo, Japan)
|July 19, 2006
PubMed

Insights

Childhood sleep duration impacts blood pressure. This study found that total sleep duration (TSD) in 5-6 year olds was linked to higher systolic blood pressure (SBP), suggesting potential health risks from insufficient or excessive sleep.

Area of Science:

  • Pediatrics
  • Cardiovascular Health
  • Sleep Medicine

Background:

  • Childhood lifestyle factors influence adult disease onset, including cardiovascular disease.
  • Understanding early-life health markers is crucial for long-term well-being.

Purpose of the Study:

  • To investigate the association between total sleep duration (TSD) and blood pressure in preschool-aged children.
  • To determine if TSD correlates with systolic blood pressure (SBP) and diastolic blood pressure (DBP) in 5-6 year olds.

Main Methods:

  • Data collected from 117 children aged 5-6 years.
  • Parents reported children's sleep schedules; teachers provided nap information.
  • Statistical analysis included correlation and multiple regression, controlling for age and BMI.

Main Results:

  • Mean TSD was 624 minutes; mean SBP was 99 mmHg; mean DBP was 62 mmHg.
  • Higher TSD groups showed significantly higher SBP compared to the lowest TSD group.
  • TSD significantly correlated with SBP (r=0.265) but not DBP (r=0.105).

Conclusions:

  • Sleep duration in preschool children is associated with systolic blood pressure.
  • Extremely short or long sleep durations may indicate subclinical health issues.
  • Early sleep habits warrant attention for cardiovascular health prevention.

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