The causes of numbness in the right hand when women sleep at night are mainly the following: First, phytodystrophy, mostly seen in menopausal women, due to disruption of hormone secretion in the body, mainly manifested as sleep disorders, dizziness, headache, memory loss, numbness of the limbs, taking glutathione can regulate phytodystrophy. Second, cervical spondylosis is caused by incorrect sleeping posture, causing cervical spondylosis attacks, serious cervical spine disorders can pull and stimulate the surrounding blood vessels and nerves, compression of the brachial plexus nerve can cause finger numbness, improve the cervical spine examination to clarify the diagnosis, take cervical rejuvenation particles, can be symptomatic treatment. Third, carpal tunnel syndrome is due to the median nerve compression, mainly manifested as numbness of the fingers, mostly in the index finger, middle finger and index finger, through drug treatment and surgery to release the nerve, can relieve the symptoms. Fourth, sudden onset of numbness with persistent symptoms requires vigilance for the occurrence of stroke. If numbness occurs frequently, you should go to the hospital for head and cervical spine related examination to determine the cause before choosing reasonable treatment measures.