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Insomnia symptoms and daytime function in stable heart failure
Nancy S Redeker1, Sangchoon Jeon, Ulrike Muench
1Yale University School of Nursing, New Haven, CT 06536-0740, USA. Nancy.redeker@yale.edu
Sleep
|September 23, 2010
Summary
Insomnia symptoms are prevalent in patients with stable heart failure (HF). These symptoms correlate with increased daytime issues like fatigue and depression, and reduced functional performance.
Area of Science:
- Cardiology
- Sleep Medicine
- Psychiatry
Background:
- Heart failure (HF) is a chronic condition affecting millions globally.
- Sleep disturbances, including insomnia, are frequently reported in HF patients.
- The impact of insomnia on daytime functioning in stable HF is not fully understood.
Purpose of the Study:
- To investigate the prevalence of insomnia symptoms in stable heart failure patients.
- To determine the association between insomnia symptoms and clinical/demographic factors.
- To examine the relationship between insomnia and daytime symptoms, sleepiness, and functional performance.
Main Methods:
- A cross-sectional, observational study was conducted.
- 173 stable chronic heart failure patients from five disease management programs participated.
- Insomnia symptoms were self-reported; functional performance was assessed via the six-minute walk test; daytime symptoms were measured using validated scales.
Main Results:
- Over half of the heart failure patients reported insomnia symptoms.
- Insomnia symptoms were significantly associated with increased daytime depression and fatigue.
- These symptoms also correlated with excessive daytime sleepiness and poorer functional performance, independent of sleep-disordered breathing.
Conclusions:
- Insomnia symptoms are a common and significant issue in patients with stable heart failure.
- Insomnia is linked to a higher burden of daytime symptoms and impaired functional capacity.
- Addressing insomnia may be crucial for improving overall well-being in heart failure management.
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