• Grace E Dean, Nancy S Redeker, Ya-Jung Wang, Ann E Rogers, Suzanne S Dickerson, Lynn M Steinbrenner, and Nalaka S Gooneratne.
• School of Nursing, University at Buffalo, State Univerity of New York.
• Oncol Nurs Forum. 2013 Sep 1; 40 (5): 441-51.

Purpose/ObjectivesTo distinguish relationships among subjective and objective characteristics of sleep, mood, and quality of life (QOL) in patients receiving treatment for lung cancer.DesignDescriptive, correlational study.SettingTwo ambulatory oncology clinics.Sample35 patients with lung cancer.MethodsThe following instruments were used to measure the variables of interest: Pittsburgh Sleep Quality Index (PSQI), Hospital Anxiety and Depression Scale, Functional Assessment of Cancer Treatment-Lung (FACT-L), a sleep diary, and a motionlogger actigraph.Main Research VariablesSleep, mood, and QOL.FindingsSignificant differences were found between sleep diary and actigraph measures of sleep efficiency (p = 0.002), sleep latency (p = 0.014), sleep duration (p < 0.001), and wake after sleep onset (p < 0.001). Poor sleepers (PSQI score greater than 5) were significantly different from good sleepers (PSQI score of 5 or lower) on sleep diary measures of sleep efficiency and sleep latency and the FACT-L lung cancer symptom subscale, but not on mood or actigraphy sleep measures.ConclusionsAlthough patients with lung cancer may report an overall acceptable sleep quality when assessed by a single question, those same patients may still have markedly increased sleep latencies or reduced total sleep time. The findings indicate the complexity of sleep disturbances in patients with lung cancer. Lung cancer symptoms had a stronger association with sleep than mood. Research using prospective methods will help to elucidate their clinical significance.Implications For NursingPatients receiving treatment for lung cancer are at an increased risk for sleep disturbances and would benefit from routine sleep assessment and management. In addition, assessment and management of common symptoms may improve sleep and, ultimately, QOL.Knowledge TranslationA high frequency of sleep disturbances in patients receiving treatment for lung cancer was evident, and poor sleepers had lower QOL. Sleep disturbances may be more related to lung cancer symptoms than anxiety or depression. Improving lung cancer symptoms such as dyspnea may improve sleep.

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