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Non-linear relationship between sleep duration and blood pressure in children with short stature

Qianqian Zhao1,2, Mingming He1,2, Mei Zhang1,2

  • 1Department of Endocrinology, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China.

Frontiers in Pediatrics
|November 29, 2023
PubMed

Insights

This study found a nonlinear link between sleep duration and blood pressure in children with short stature. Optimal sleep is 8-10 hours, as shorter or longer durations increase blood pressure.

Area of Science:

  • Pediatrics
  • Cardiology
  • Sleep Medicine

Background:

  • Conflicting evidence exists on the relationship between sleep duration and blood pressure.
  • Short stature in children is a condition that warrants further investigation into associated health factors.

Purpose of the Study:

  • To investigate the relationship between sleep duration and blood pressure in children with short stature.
  • To identify potential optimal sleep durations for maintaining healthy blood pressure in this population.

Main Methods:

  • A total of 1,085 children with short stature were recruited from a Chinese hospital.
  • Sleep duration was assessed via face-to-face interviews, alongside anthropometric and biochemical data collection.
  • Adjusted linear regression and nonlinear analyses were employed to examine associations.

Main Results:

  • Sleep duration showed a negative association with systolic blood pressure z-scores (SBP-Z) and diastolic blood pressure z-scores (DBP-Z).
  • A nonlinear relationship was observed between sleep duration and blood pressure metrics (SBP-Z, DBP-Z, MAP-Z).
  • Inflection points for nonlinear relationships were identified at 10 hours for SBP-Z and 8 hours for DBP-Z/MAP-Z.

Conclusions:

  • A nonlinear relationship exists between sleep duration and blood pressure in children with short stature.
  • Optimal sleep duration for this group appears to be between 8-10 hours.
  • Both insufficient and excessive sleep durations are linked to elevated blood pressure levels.
Abstract

Keywords:
cardiovascular diseasediastolic blood pressureshort staturesleep durationsystolic blood pressure

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