Sleep apnea in children linked to heart risks and lower quality of life

A new study highlights the impact of obstructive sleep apnea (OSA) on overweight and obese children. It shows a clear link between reduced heart rate variability (HRV) and lower quality of life in these young patients. Researchers are calling for early screening to address the issue. Obstructive sleep apnea in children involves repeated airway blockages during sleep. This causes intermittent hypoxia and fragmented rest. OSA disrupts the autonomic nervous system, reducing HRV and increasing sympathetic activity.

The study found that overweight and obese children with OSA had significantly lower HRV markers than normal-weight peers. Reduced HRV affects emotional control, cognitive abilities, and stress resilience. These children often show more behavioural problems and poorer academic performance.

Excess weight worsens neurological regulation and overall wellbeing. Obesity-related inflammation further disrupts autonomic pathways, creating a cycle that harms heart and lung health. Chronic hypoxia and oxidative stress in OSA weaken vagal tone and boost sympathetic overactivity, raising cardiovascular risks early in life. The research urges comprehensive screening for children with OSA symptoms, especially those who are overweight or obese. Including HRV analysis in diagnostics could help. Lifestyle changes to reduce weight may ease airway obstruction and improve autonomic function in these children.