If you wake up with swollen hands, you should see an orthopedic surgeon or a rheumatologist. Orthopedic diseases that can cause this phenomenon include cervical spondylosis and tendovaginitis of the hands. Cervical spondylosis can cause numbness, swelling and pain in the hand due to herniated cervical discs compressing nerve roots, which can be diagnosed by cervical spine CT or MRI, while tenosynovitis can also cause the above symptoms, which can be treated by applying symptomatic physical therapy. Rheumatology rheumatoid arthritis and other diseases can cause swelling of the hand, usually with morning stiffness, which will improve with activity for a while. If the above examination is not serious, you should try to avoid strain, cold, and prolonged pressure on the hand and fingers, you can apply local heat, physical therapy, or topical fotarine ointment to relieve.