Sleep Disorders (PDQ®): Supportive care - Health Professional Information [NCI] - Sleep Disturbance in Cancer Patients
Cancer patients are at great risk for developing insomnia and disorders of the sleep-wake cycle. Insomnia is the most common sleep disturbance in this population and is most often secondary to physical and/or psychological factors related to cancer and/or cancer treatment.[1,2,3,4,5] Anxiety and depression, common psychological responses to the diagnosis of cancer, cancer treatment, and hospitalization, are highly correlated with insomnia.[6,7]
Sleep disturbances may be exacerbated by paraneoplastic syndromes associated with steroid production and by symptoms associated with tumor invasion, such as draining lesions, gastrointestinal (GI) and genitourinary (GU) alterations, pain, fever, cough, dyspnea, pruritus, and fatigue. Medications—including vitamins, corticosteroids, neuroleptics for nausea and vomiting, and sympathomimetics for the treatment of dyspnea—as well as other treatment factors can negatively impact sleep patterns.
Chronic neutrophilic leukemia (CNL) is a rare chronic myeloproliferative disorder of unknown etiology, characterized by sustained peripheral blood neutrophilia (>25 × 109 /L) and hepatosplenomegaly.[1,2] The bone marrow is hypercellular. No significant dysplasia is in any of the cell lineages, and bone marrow fibrosis is uncommon.[1,2] Cytogenetic studies are normal in nearly 90% of the patients. In the remaining patients, clonal karyotypic abnormalities may include +8,...
Hypnotics can interfere with rapid eye movement (REM) sleep, resulting in increased irritability, apathy, and diminished mental alertness. Abrupt withdrawal of hypnotics and sedatives may lead to symptoms such as nervousness, jitteriness, seizures, and REM rebound. REM rebound has been defined as a marked increase in REM sleep with increased frequency and intensity of dreaming, including nightmares. The increased physiologic arousal that occurs during REM rebound may be dangerous for patients with peptic ulcers or a history of cardiovascular problems. Newer medications for insomnia have reduced adverse effects.
The sleep of hospitalized patients is likely to be frequently interrupted by treatment schedules, hospital routines, and roommates, which singularly or collectively alter the sleep-wake cycle. Other factors influencing sleep-wake cycles in the hospital setting include patient age, comfort, pain, and anxiety; and environmental noise and temperature.
Consequences of sleep disturbances can influence outcomes of therapeutic and supportive care measures. The patient with mild to moderate sleep disturbances may experience irritability and inability to concentrate, which may in turn affect the patient's compliance with treatment protocols, ability to make decisions, and relationships with significant others. Depression and anxiety can also be caused by sleep disturbances. Supportive care measures are directed toward promoting quality of life and adequate rest.
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