If you always sleep with numbness in your arms, first consider poor sleep posture, resulting in local blood circulation pressure, causing numbness in your arms. If you always sleep with numb arms, you also need to consider whether it is caused by cervical spine lesions, and suggest that patients go to the hospital to improve the cervical spine CT or MRI. For patients with mild cervical spine lesions, acupuncture and acupressure can be given to improve the symptoms, and B vitamins can also be given to nourish the nerves. Diabetic peripheral neuropathy occurs when patients with long-term diabetes have unsatisfactory blood glucose control or take medication irregularly. These people need to strictly monitor their blood glucose to avoid drastic fluctuations in blood glucose and adjust their glucose-lowering treatment plan under the guidance of an endocrinologist if necessary. If there is always numbness in the arms in sleep, patients should be alert to the presence of cerebral artery supply deficiency or transient ischemic attack, and it is recommended to improve cranial CT or magnetic resonance examination to clarify the cause.