Research progress of bright light therapy in the treatment of sleep disorders related to Parkinson's disease
Sleep disturbance is a common non-motor symptom of Parkinson's disease(PD),which seriously affects the quality of patients'life.Bright light therapy is a treatment that uses daylight or artificial light to regulate circadian rhythms.Recent studies have shown that bright light therapy may have effect on PD-related sleep disorders,but the mechanism is still unclear.Due to the influence of many factors,there is no unified standard to guide the application of bright light therapy.Based on this,this article reviews the mechanism and application of bright light therapy in the treatment of PD-related sleep disorders.