Just woke up with no strength in the hand can be seen in normal people, but also may be caused by low blood sugar, cervical spondylosis, etc., the patient should consult a doctor in a timely manner, to clarify the cause of the disease. 1. Physiological conditions: just woke up with no hand strength can be seen in normal people, the reason is that just woke up when the brain excitability is relatively low, or sleep posture caused by poor arm blood circulation obstacles, generally can be restored on their own, without special treatment. 2. Hypoglycemia: just woke up with no hand strength may also be caused by hypoglycemia, usually dieting weight loss crowd is more common, there will be hunger, hand tremors, panic, sweating and other symptoms, should be relieved by eating, the use of glucose and other ways. 3. Cervical spondylosis: If the patient has neck and back pain, hand numbness and other symptoms at the same time, appeared just woke up with no strength in the hand, should be considered to be caused by cervical spondylosis, this kind of people should pay attention to improve the bad habits, timely medical treatment. All of the above medications and treatments should be carried out under the guidance of a doctor.