Impact of Homeopathy for Persistent Insomnia in Patients With Cancer

Inclusion Criteria: * scheduled to begin chemotherapy or radiotherapy * chemotherapy or radiotherapy * meet diagnostic criteria for chronic insomnia (i.e., lasting for at least one month) * Chronic insomnia has been defined in previous research:as the presence of (1) three or more episodes of insomnia (i.e., ≥ 30minuteSOL, ≥ 60minute wake after sleep onset (WASO), or ≤ 6.5 hour total sleep time (TST) per night) of per week and (2) daytime effects of insomnia, such as irritability, difficulty concentrating, or fatigue for at least one month. * have the permission of their oncologists to participate. Exclusion Criteria: * untreated alcohol or substance abuse or dependence, * bipolar, or psychotic disordermedical conditions such as seizure disorder, restless leg disorder, or Parkinson's disease * untreated sleep disorders such as sleep apnea * Taking other alternative medicines