What symptom is often caused by nocturia in heart failure patients?

The correct answer highlights that increased daytime sleepiness is a common symptom experienced by heart failure patients as a consequence of nocturia. In heart failure, patients often struggle with fluid retention, which can lead to frequent nighttime urination. This disrupts their sleep patterns, resulting in fragmented sleep and insufficient rest. As a result, during the day, these patients may feel excessively tired and sleepy due to the lack of restorative sleep at night.

This relationship emphasizes the importance of monitoring sleep quality and its effects on daily functioning in individuals with heart failure, as managing nocturia can significantly improve their overall quality of life. Addressing this symptom may involve strategies aimed at optimizing fluid management and medication timing, helping to reduce nighttime urination and improve sleep.