People wake up at night and find that their hands and feet are numb, may correspond to more reasons, generally need to give priority to whether the body is pressurized due to incorrect sleep posture, resulting in poor blood circulation in the extremities, so that the hands and feet are numb, or the pillow is not suitable, which may lead to cervical compression of the nerve roots, and then the symptoms of numbness in the hands and feet, generally after the activity can be fully recovered. In addition, it is also common to have multiple peripheral neuritis, transient ischemic attack, cervical spondylosis, and lumbar disc herniation, which can be differentially diagnosed by a doctor: 1. Multiple peripheral neuritis: there is multiple peripheral nerve damage, which is manifested as distal sensory impairment of the limbs, plus possible local pressure during sleep, and thus symptoms of tingling in the hands and feet; 2. Transient ischemic attack: if the blood vessels appear to be transiently Occlusion may affect the blood supply to the brain or even the whole body, and when the hands and feet are not adequately nourished by blood, the symptoms of numbness in the hands and feet may occur; 3, cervical spondylosis: due to degenerative changes in the cervical intervertebral disc and its accessory structures, secondary to degenerative changes in the intervertebral joints and stimulation or compression of the spinal cord and nerves, and then the symptoms of numbness in the hands and feet; 4, lumbar disc herniation: due to the nucleus pulposus herniation stimulation or compression of the Nerve root, cauda equina nerve, and then the symptoms of tingling in the hands and feet.