The following are some of the reasons why patients have numbness and swelling in their fingers after waking up from sleep: 1. Consider that it is caused by the presence of cerebrovascular disease, because the patient’s basal metabolic rate slows down and cerebral blood flow is slow during sleep, resulting in insufficient blood supply to the brain and poor blood circulation to the limbs, which can cause patients to wake up in the morning with numbness and swelling in their fingers. 2. It may be caused by cervical spondylosis, if the patient has cervical The problem of a herniated disc may compress the nerve roots, causing the patient to experience numbness in the fingers. If the patient sleeps at night with an improper posture or pillow, it can aggravate the patient’s cervical spondylosis and lead to numbness and swelling of the fingers. 3, in this case, if accompanied by the feeling of inflexibility and stiffness of the fingers, also consider rheumatoid arthritis or rheumatoid morning stiffness, it is recommended that the patient improve the rheumatic disease examination.