Sleep disorder is the collective name for a series of clinical diseases, clinical manifestations of diversity and complexity, the main symptoms include: 1, long sleep time: common in episodic sleeping sickness; 2, short sleep time: such as insomnia can lead to; 3, poor quality of sleep: patients with a lack of deep sleep leads to; 4, sleep behavior abnormalities; 5, wake up patients with a dry mouth, headache, dizziness, snooze, as obstructive sleep apnea Clinical manifestations of patients. Episodic sleep patients daily can be manifested as drowsiness, paralyzing sleep and other clinical symptoms.