There are many reasons for hand swelling after waking up, commonly due to cervical spondylosis or frozen shoulder, and inappropriate sleeping posture, as follows: 1, cervical spondylosis or frozen shoulder, during the attack of cervical spondylosis will compress the local blood vessels, causing impaired blood circulation in the hands. Most patients can move the joints of the fingers, and local hot compresses, pay attention to rest and protection, apply some blood circulation drugs for treatment, and slowly recover; 2, inappropriate sleeping posture can cause pressure on the arm, obstructing blood circulation will also cause local swelling sensation. Patients can elevate the affected limb, maintain the correct sleeping posture, must avoid arm pressure, slowly will be relieved.