1, long-standing dizziness, headache or migraine 2, heavy head numbness, numb fingers, upper limb weakness, etc. 3, recurrent neck and back pain, soreness and tenderness 4, unexplained insomnia and dreaminess, memory loss 5, persistent tinnitus or hearing loss for non-ear reasons 6, unexplained arrhythmia, angina-like symptoms 7, long-term hypotension or “inexplicable” hypertension 8, unexplained respiratory, digestive, endocrine and other functional disorders 9, always tilting the head to one side or repeatedly “fallen pillow” 10, long-term snoring