What could be a potential consequence of chronic untreated sleep apnea?

• A. Increased energy and alertness
• B. Gain of cognitive skills
• C. Increased risk of cardiovascular issues
• D. Strengthened executive functions

Answer: (C)

Chronic untreated sleep apnea can lead to serious health issues, and one of the most significant consequences is an increased risk of cardiovascular problems. Sleep apnea causes repeated interruptions in breathing during sleep, leading to decreased oxygen levels and disrupted sleep patterns. This chronic state of oxygen deprivation and fragmented sleep can contribute to conditions such as hypertension, atrial fibrillation, stroke, and even heart failure.

The elevation in blood pressure and the stress on the cardiovascular system occur because the body struggles to maintain adequate oxygen supply during apneic episodes. Moreover, the stress hormones produced in response to these episodes may lead to increased heart rate and vascular resistance, further exacerbating cardiovascular risk.

In contrast, the other options—such as increased energy and alertness, gain of cognitive skills, and strengthened executive functions—are generally associated with adequate and restorative sleep. Chronic sleep deprivation from untreated sleep apnea typically has the opposite effects, often leading to fatigue, decreased cognitive performance, and impaired decision-making abilities.