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Scheer and colleagues speculate that our patients with HF may have slept 1.3 hours less than the subjects from the community because of (1) factors associated with the presence of HF itself or (2) drugs used to treat HF. Regarding the first possibility, they suggest that treating HF may lead to increased sleep time. Because we did not perform sleep studies before and after institution of therapy for HF, we are unable to address this issue. Nevertheless, although all these patients were receiving optimal therapy, they slept far less than the subjects from the community.
Arzt M, Bradley TD. Decreased Sleep in Heart Failure: Are Medications to Blame?—Reply. Arch Intern Med. 2007;167(10):1099-1100. doi:10.1001/archinte.167.10.1099