If numbness of the fingers occurs during napping, it is most commonly associated with bony disorders such as cervical spondylosis, cervical disc herniation, cervical spinal stenosis or carpal tunnel syndrome, elbow tunnel syndrome, and other related bony disorders. The numbness of the fingers occurs due to the involvement of the peripheral nerves in the lesion. For such patients, cervical spine MRI or cervical spine plain film examination can be done to determine the degree of cervical spine lesion, and if necessary, electromyography examination can be done to determine the degree of peripheral nerve damage and give systematic diagnosis and treatment. A small number of people nap due to local blood blood ring pressure, blood volume is insufficient, thus appearing numbness of the fingers. It is recommended to increase the movement of the fingers, numbness can be reduced or disappear.