The main manifestations of depression-related sleep disorders are as follows: 1. nocturnal sleep disorders, including difficulties in falling asleep at night for patients, long sleep waiting time, difficulties in maintaining sleep, recurrent awakenings and early awakenings, patients often show excessive dreaming, irritability and even depression; 2. daytime mental disorders, memory loss, depressed mood, fading enthusiasm for things in life, some patients show sleepiness and difficulty in falling asleep, some patients Some patients show sleepiness and difficulty in sleeping, while some patients show short sleep during the day, but poor sleep perception and dreaminess. Depression-related sleep disorders should be distinguished from simple sleep disorders. Patients with long-term simple sleep disorders may develop mental anxiety and depressive symptoms, while anxiety and depression are often accompanied by different degrees of sleep disorders.