The brain sometimes feels numb, may be related to mental overstress, may also be due to plant nerve dysfunction, cervical spondylosis and other reasons. 1. Excessive mental tension: When encountering certain stressful events, resulting in over-excited emotions, resulting in excessive emotional fluctuations, especially after excessive crying, which can easily lead to hyperventilation syndrome, which may cause transient numbness in the brain, but also accompanied by accelerated respiratory rate, panic and other symptoms. 2. Phytoneurological dysfunction: usually caused by long-term mental trauma or poor work and rest habits, which can lead to neurological dysfunction, autonomic nervous system disorders, which may cause the brain to feel numb at times, and can be accompanied by excessive sweating, panic, dizziness and other symptoms. 3. Cervical spondylosis: due to prolonged maintenance of improper posture, resulting in neck muscle tension, spasm, the scalp part of the blood vessels and nerves caused by pulling stimulation, may cause the brain sometimes feel numb, may also be accompanied by dizziness, neck and shoulder discomfort and other symptoms. Sometimes feel numb in the brain, may also be caused by other reasons, if accompanied by obvious discomfort symptoms, should seek medical attention as soon as possible, after a clear diagnosis of the cause, to give targeted treatment.