Yoga in Treating Sleep Disturbance in Cancer Survivors

OBJECTIVES: Primary * Determine the efficacy of Hatha yoga in improving sleep quality in cancer survivors experiencing persistent sleep disturbance. OUTLINE: This is a randomized, multicenter study. Patients are stratified according to gender and sleep disturbance rating reported on the eligibility assessment questionnaire (≤ 5 vs \> 5). Patients are randomized to 1 of 2 arms. * Arm I: Patients receive standard care for 6 weeks. Patients may switch to the yoga intervention immediately after study completion. * Arm II:Patients receive standard care for 2 weeks, followed by two 75-minute sessions of Hatha yoga per week for 4 weeks. PROJECTED ACCRUAL: A total of 400 patients will be accrued for this study.