Swelling and numbness of the fingers in the middle of the night may be caused by incorrect sleeping position, nerve root cervical spondylosis, peripheral soft tissue lesions and other factors, which can be improved through general treatment, physical therapy, medication and other ways. 1. Incorrect sleeping position: Incorrect sleeping position leads to prolonged pressure on the fingers and obstruction of blood circulation in the fingers, resulting in numbness and swelling of the fingers, which can be relieved by adjusting the sleeping position, moving the fingers appropriately and massaging the fingers. 2. Nerve root cervical spondylosis: lesions in the cervical spine may compress the surrounding nerve roots, thus affecting the nerve tissues on the hands, causing swelling and numbness of the fingers, you can use diamoximine and other anti-swelling medications to alleviate the edema of the fingers, and you can also use the cervical support and other tools to correct the neck posture to improve. 3. Peripheral soft tissue lesions: such as soft tissue lesions and other peripheral soft tissue lesions can also cause numbness and swelling of the fingers, you can use physical therapy with a hot towel hot compresses on the swollen parts, to promote blood circulation in the fingers, in order to alleviate the symptoms, but also the use of swelling and other medications to help alleviate the disease. The above medications should be used in a standardized manner under the guidance of a doctor. If the symptoms of finger swelling and numbness are more serious, it is recommended to go to the hospital to improve the relevant MRI examination, neuromuscular electromyography examination, etc., to clarify the cause of the disease, and according to the specific conditions of the symptomatic treatment.