Treating Chronic Insomnia in Breast Cancer Patients

Inclusion Criteria: * Female patients aged 21-60 years old * Have a negative serum or urine pregnancy test for women of child-bearing potential * Have a three-month or longer history of insomnia * Self-report \< 6.5 hours of total sleep time, in addition to a sleep efficiency of less than 85%, averaged over two weeks of screening * A score of less than 60 on the Zung Self-Rating Depression Scale * Self-report bedtimes that do not vary by more than two hours on five nights per week * Have completed chemotherapy for breast cancer less than two years prior to study drug administration * Have completed chemotherapy for breast cancer for at least two months prior to screening visit * Patients that are receiving Herceptin are eligible for study enrollment * Have completed radiation therapy for breast cancer for at least two months prior to screening visit * ECOG (Eastern Cooperative Oncology Group)score of 0-1 * Be able to read, understand, and provide written informed consent before enrolling in the study * Must be willing to comply with all study visits and comply with daily phone calls to the IVRS throughout the study * Agree to participate for the entire study period (about two months) Exclusion Criteria: * Metastatic disease * Pregnant or lactating female * Self-reports typical consumption of more than five alcoholic beverages on a single day or greater than 14 alcoholic beverages weekly * Self-reports use of products containing nicotine of greater than 15 cigarettes daily or cannot avoid products containing nicotine during sleep periods * Current use of any of the following medications, and cannot discontinue these medications for the duration of the study: Hypnotic medication, Anti-convulsants, Anxiolytics, Narcotic analgesics, Medications or supplements containing Melatonin, Ketaconazole and Fluconazole * Currently taking fluvoxamine, brand name Luvox * Have symptoms consistent with the diagnosis of any other sleep disorder other than insomnia (e.g. obstructive sleep apnea, narcolepsy, restless legs syndrome) * Currently on night or rotating shift work * Self-reports habitual napping of greater than one hour accumulated sleep on 4 or more days per week * Has a psychiatric illness that interferes with normal sleep-wake function (e.g. major depression, post-traumatic stress disorder) * A score of 60 or greater on the Zung Self-Rating Depression Scale * Has current unstable medical disorder, such as symptomatic congestive heart failure, uncontrolled cardiac arrhythmia, or other serious medical condition as determined by the Investigator