1. untreated dizziness, headache or migraine; 2. persistent tinnitus or hearing loss not caused by the ear; 3. unexplained arrhythmia, angina-like symptoms; 4. untreated hypotension or “inexplicable” hypertension; 5. untreated and “unexplained” disorders of internal organs “6.Unexplained insomnia and dreaminess, memory loss; 7.Always tilting the head to one side or repeatedly “falling off the pillow”; 8.Recurring neck and back pain; 9.Long-term snoring; 10.Heavy head Numbness, numbness of fingers, weakness of upper limbs, etc.