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Published on: October 11, 2018
Gestational sleep deprivation is associated with higher offspring body mass index and blood pressure
Margreet W Harskamp-van Ginkel1,2, Despo Ierodiakonou3, Katerina Margetaki3,4
1Department of Public and Occupational Health, Amsterdam Public Health Research Institute, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.
Insights
Gestational sleep deprivation is linked to increased childhood adiposity and higher blood pressure in offspring. This highlights the importance of maternal sleep for child metabolic health.
Area of Science:
- Reproductive Health
- Pediatric Health
- Metabolic Health
Background:
- Maternal sleep patterns during pregnancy can influence offspring development.
- Childhood adiposity and cardiometabolic risk factors are significant public health concerns.
Purpose of the Study:
- To investigate the association between sleep deprivation during pregnancy and childhood adiposity.
- To evaluate the impact of gestational sleep deprivation on the cardiometabolic profile of children.
Main Methods:
- Utilized data from two large birth cohorts (Rhea and ABCD studies) with 3,608 mother-child pairs.
- Defined gestational sleep deprivation as ≤6 hours of sleep per night via questionnaire.
- Assessed childhood outcomes including BMI, waist circumference, body fat, blood pressure, and serum lipids up to age 11.
Main Results:
- Gestational sleep deprivation correlated with higher childhood BMI, waist circumference, and increased risk of overweight/obesity.
- Offspring of mothers with sleep deprivation exhibited higher diastolic blood pressure.
- Associations were stronger in girls and partly mediated by gestational diabetes and shorter gestational age.
Conclusions:
- This study provides novel evidence linking maternal sleep deprivation to increased offspring adiposity and blood pressure.
- Highlights the need for attention to glucose metabolism and preterm birth risk in mothers experiencing sleep deprivation.
- Suggests potential mechanisms involving gestational diabetes and gestational age in mediating these effects.
Study Objectives:
The objective of this study was to evaluate the association between gestational sleep deprivation and childhood adiposity and cardiometabolic profile.
Methods:
Data were used from two population-based birth cohorts (Rhea study and Amsterdam Born Children and their Development study). A total of 3,608 pregnant women and their children were followed up until the age of 11 years. Gestational sleep deprivation was defined as 6 or fewer hours of sleep per day, reported by questionnaire. The primary outcomes included repeated measures of body mass index (BMI), waist circumference, body fat, serum lipids, systolic and diastolic blood pressure (DBP) levels in childhood. We performed a pooled analysis with adjusted linear mixed effect and Cox proportional hazards models. We tested for mediation by birthweight, gestational age, and gestational diabetes.
Results:
Gestational sleep deprivation was associated with higher BMI (beta; 95% CI: 0.7; 0.4, 1.0 kg/m2) and waist circumference (beta; 95% CI: 0.9; 0.1, 1.6 cm) in childhood, and increased risk for overweight or obesity (HR; 95% CI: 1.4; 1.1, 2.0). Gestational sleep deprivation was also associated with higher offspring DBP (beta; 95% CI: 1.6; 0.5, 2.7 mmHg). The observed associations were modified by sex (all p-values for interaction < 0.05); and were more pronounced in girls. Gestational diabetes and shorter gestational age partly mediated the seen associations.
Conclusions:
This is the first study showing that gestational sleep deprivation may increase offspring's adiposity and blood pressure, while exploring possible mechanisms. Attention to glucose metabolism and preterm birth might be extra warranted in mothers with gestational sleep deprivation.
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