Through the course of disease, both elderly inpatients and their family caregivers are affected physically and mentally. The elderly inpatients may be dependent on their caregivers for all of their daily needs, and at the same time, the caregivers must deal with the physical care of the elderly inpatients and may also need assistance with housework and medical treatments (Tsai et al., 2021). Thus, stress is inevitable for family members serving as caregivers.In times of stress, the human body stimulates the hypothalamicpituitary-adrenal axis, resulting in an excessive secretion of adrenal corticosteroids that affects sleep cycle regulation and causes sleep