Waking up from sleep with numbness in the little finger may be related to cervical spondylosis, localized compression, elbow-tube syndrome and cerebrovascular disease.
1. Cervical spondylosis: cervical spine disc herniation, compression of the nerve roots innervating the hand, resulting in abnormal nerve function, there will be finger pain, numbness. If you get cold or the height of the pillow is not suitable at night, the stimulation will be aggravated, and the symptoms of numbness of the little finger will appear after waking up.
2. Localized pressure: sleep at night in a unilateral position, one side of the arm is compressed, which will cause blood circulation to slow down will affect the nerve function, will also appear after waking up symptoms of numbness in the little finger.
3. Elbow tube syndrome: refers to the ulnar nerve of the elbow in the elbow tube due to pressure or stretching the ulnar nerve for the main manifestations of the ulnar nerve progressive damage caused by hand muscle atrophy and weakness and ulnar side of the numbness and pain. If the elbow is flexed when sleeping, it can aggravate the pressure on the ulnar nerve, which will lead to numbness of the little thumb.
4. Cerebrovascular disease: cerebrovascular disease can occur at night, such as acute cerebral infarction at night, infarction range is small and is located in the thalamus, numbness of the little finger can occur.
If you wake up in bed with numbness in the little finger, it is recommended that the patient go to the hospital to find out the cause of the disease after targeted treatment.