Purpose: To examine the level of caregiving burden and sleep quality as well as their interrelationship amongst family caregivers of Chinese male patients with advanced cancer. Method: A cross-sectional study was conducted in Hong Kong. The Caregiver Reaction Assessment (CRA) and the Pittsburgh Sleep Quality Index (PSQI) were used to measure caregiving burden and sleep quality of the family caregivers. Results: A total of 96 family caregivers were recruited.